publishing: Use go1.15.12 for 1.20 and 1.19 release branches
publishing: Use go1.15.12 for 1.20 and 1.19 release branches

jsafrane/kubernetes,k82/kubernetes,Clarifai/kubernetes,tengqm/kubernetes,cblecker/kubernetes,ingvagabund/kubernetes,mikebrow/kubernetes,mikedanese/kubernetes,shyamjvs/kubernetes,soltysh/kubernetes,rafax/kubernetes,mikedanese/kubernetes,roberthbailey/kubernetes,GulajavaMinistudio/kubernetes,shyamjvs/kubernetes,cblecker/kubernetes,warmchang/kubernetes,carlory/kubernetes,spzala/kubernetes,nckturner/kubernetes,andrewrynhard/kubernetes,cofyc/kubernetes,fanzhangio/kubernetes,ingvagabund/kubernetes,alejandroEsc/kubernetes,csrwng/kubernetes,humblec/kubernetes,cofyc/kubernetes,weiwei04/kubernetes,micahhausler/kubernetes,idvoretskyi/kubernetes,thockin/kubernetes,fabriziopandini/kubernetes,roberthbailey/kubernetes,jingxu97/kubernetes,dixudx/kubernetes,feiskyer/kubernetes,jessfraz/kubernetes,bparees/kubernetes,nikhita/kubernetes,dlorenc/kubernetes,dereknex/kubernetes,cofyc/kubernetes,humblec/kubernetes,nikhita/kubernetes,zhouhaibing089/kubernetes,Acidburn0zzz/kubernetes,verult/kubernetes,fanzhangio/kubernetes,k82cn/kubernetes,nckturner/kubernetes,jackfrancis/kubernetes,k82/kubernetes,deads2k/kubernetes,Clarifai/kubernetes,tpepper/kubernetes,shyamjvs/kubernetes,verb/kubernetes,mahak/kubernetes,cofyc/kubernetes,chrislovecnm/kubernetes,ravilr/kubernetes,weiwei04/kubernetes,wongma7/kubernetes,feiskyer/kubernetes,jagosan/kubernetes,dims/kubernetes,x13n/kubernetes,csrwng/kubernetes,PiotrProkop/kubernetes,mikebrow/kubernetes,dereknex/kubernetes,iterion/kubernetes,lojies/kubernetes,rrati/kubernetes,mengqiy/kubernetes,rrati/kubernetes,jackfrancis/kubernetes,andrewrynhard/kubernetes,mosoft521/kubernetes,gnufied/kubernetes,ping035627/kubernetes,PI-Victor/kubernetes,micahhausler/kubernetes,li-ang/kubernetes,ravilr/kubernetes,carlory/kubernetes,warmchang/kubernetes,enj/kubernetes,enj/kubernetes,saad-ali/kubernetes,zhangmingld/kubernetes,dixudx/kubernetes,dereknex/kubernetes,mosoft521/kubernetes,spzala/kubernetes,mikedanese/kubernetes,soltysh/kubernetes,mfojtik/kubernetes,MikeSpreitzer/kubernetes,GulajavaMinistudio/kubernetes,olivierlemasle/kubernetes,jagosan/kubernetes,x13n/kubernetes,mahak/kubernetes,weiwei04/kubernetes,mengqiy/kubernetes,spzala/kubernetes,rnaveiras/kubernetes,cofyc/kubernetes,mahak/kubernetes,jessfraz/kubernetes,dixudx/kubernetes,PI-Victor/kubernetes,sdminonne/kubernetes,k82cn/kubernetes,wongma7/kubernetes,spzala/kubernetes,lojies/kubernetes,PI-Victor/kubernetes,linux-on-ibm-z/kubernetes,lojies/kubernetes,tpepper/kubernetes,hex108/kubernetes,monopole/kubernetes,Acidburn0zzz/kubernetes,mikebrow/kubernetes,ravilr/kubernetes,fanzhangio/kubernetes,liggitt/kubernetes,zhangmingld/kubernetes,roberthbailey/kubernetes,fanzhangio/kubernetes,BenTheElder/kubernetes,zhouhaibing089/kubernetes,nikhita/kubernetes,ingvagabund/kubernetes,tpepper/kubernetes,fabriziopandini/kubernetes,x13n/kubernetes,jingxu97/kubernetes,iterion/kubernetes,kubernetes/kubernetes,krmayankk/kubernetes,verult/kubernetes,bparees/kubernetes,feiskyer/kubernetes,shyamjvs/kubernetes,PI-Victor/kubernetes,iameli/kubernetes,ii/kubernetes,olivierlemasle/kubernetes,jagosan/kubernetes,nak3/kubernetes,dims/kubernetes,dlorenc/kubernetes,k82cn/kubernetes,openshift/kubernetes,dixudx/kubernetes,ingvagabund/kubernetes,x13n/kubernetes,hex108/kubernetes,fabriziopandini/kubernetes,ravilr/kubernetes,csrwng/kubernetes,matthyx/kubernetes,sdminonne/kubernetes,hex108/kubernetes,verb/kubernetes,jagosan/kubernetes,zhangmingld/kubernetes,soltysh/kubernetes,mikebrow/kubernetes,liggitt/kubernetes,rrati/kubernetes,iameli/kubernetes,kubernetes/kubernetes,jsafrane/kubernetes,zhangmingld/kubernetes,deads2k/kubernetes,sdminonne/kubernetes,verult/kubernetes,thockin/kubernetes,ping035627/kubernetes,cblecker/kubernetes,PiotrProkop/kubernetes,gnufied/kubernetes,roberthbailey/kubernetes,csrwng/kubernetes,BenTheElder/kubernetes,fanzhangio/kubernetes,cblecker/kubernetes,BenTheElder/kubernetes,Clarifai/kubernetes,zhouhaibing089/kubernetes,sdminonne/kubernetes,aledbf/kubernetes,wongma7/kubernetes,linux-on-ibm-z/kubernetes,cblecker/kubernetes,Acidburn0zzz/kubernetes,iameli/kubernetes,matthyx/kubernetes,humblec/kubernetes,krmayankk/kubernetes,PiotrProkop/kubernetes,iterion/kubernetes,nak3/kubernetes,nikhita/kubernetes,nckturner/kubernetes,mkumatag/kubernetes,k82cn/kubernetes,ping035627/kubernetes,verult/kubernetes,jackfrancis/kubernetes,zhouhaibing089/kubernetes,krmayankk/kubernetes,kubernetes/kubernetes,dims/kubernetes,Acidburn0zzz/kubernetes,gnufied/kubernetes,jsafrane/kubernetes,MikeSpreitzer/kubernetes,jingxu97/kubernetes,krmayankk/kubernetes,monopole/kubernetes,hex108/kubernetes,linux-on-ibm-z/kubernetes,soltysh/kubernetes,verult/kubernetes,Clarifai/kubernetes,zhangmingld/kubernetes,tpepper/kubernetes,jsafrane/kubernetes,zhangmingld/kubernetes,iterion/kubernetes,mkumatag/kubernetes,kevin-wangzefeng/kubernetes,jackfrancis/kubernetes,weiwei04/kubernetes,wongma7/kubernetes,rnaveiras/kubernetes,olivierlemasle/kubernetes,krmayankk/kubernetes,rrati/kubernetes,feiskyer/kubernetes,warmchang/kubernetes,liggitt/kubernetes,micahhausler/kubernetes,chrislovecnm/kubernetes,mosoft521/kubernetes,gnufied/kubernetes,monopole/kubernetes,matthyx/kubernetes,PI-Victor/kubernetes,chestack/kubernetes,verb/kubernetes,Clarifai/kubernetes,dlorenc/kubernetes,dlorenc/kubernetes,mfojtik/kubernetes,csrwng/kubernetes,ii/kubernetes,nckturner/kubernetes,jessfraz/kubernetes,openshift/kubernetes,mkumatag/kubernetes,mkumatag/kubernetes,idvoretskyi/kubernetes,jingxu97/kubernetes,rnaveiras/kubernetes,jessfraz/kubernetes,shyamjvs/kubernetes,GulajavaMinistudio/kubernetes,Acidburn0zzz/kubernetes,mosoft521/kubernetes,humblec/kubernetes,mosoft521/kubernetes,chrislovecnm/kubernetes,wongma7/kubernetes,fabriziopandini/kubernetes,mfojtik/kubernetes,dims/kubernetes,ii/kubernetes,chestack/kubernetes,soltysh/kubernetes,linux-on-ibm-z/kubernetes,li-ang/kubernetes,micahhausler/kubernetes,idvoretskyi/kubernetes,MikeSpreitzer/kubernetes,PI-Victor/kubernetes,li-ang/kubernetes,rnaveiras/kubernetes,weiwei04/kubernetes,mkumatag/kubernetes,verult/kubernetes,hex108/kubernetes,kubernetes/kubernetes,tengqm/kubernetes,ingvagabund/kubernetes,lojies/kubernetes,k82/kubernetes,idvoretskyi/kubernetes,li-ang/kubernetes,lojies/kubernetes,li-ang/kubernetes,GulajavaMinistudio/kubernetes,mfojtik/kubernetes,dlorenc/kubernetes,nak3/kubernetes,GulajavaMinistudio/kubernetes,liggitt/kubernetes,carlory/kubernetes,carlory/kubernetes,tpepper/kubernetes,idvoretskyi/kubernetes,alejandroEsc/kubernetes,rnaveiras/kubernetes,deads2k/kubernetes,alejandroEsc/kubernetes,andrewrynhard/kubernetes,chestack/kubernetes,ping035627/kubernetes,weiwei04/kubernetes,kevin-wangzefeng/kubernetes,roberthbailey/kubernetes,saad-ali/kubernetes,alejandroEsc/kubernetes,rrati/kubernetes,x13n/kubernetes,mfojtik/kubernetes,iterion/kubernetes,monopole/kubernetes,bparees/kubernetes,MikeSpreitzer/kubernetes,humblec/kubernetes,olivierlemasle/kubernetes,saad-ali/kubernetes,ping035627/kubernetes,chrislovecnm/kubernetes,kevin-wangzefeng/kubernetes,thockin/kubernetes,nak3/kubernetes,kevin-wangzefeng/kubernetes,enj/kubernetes,matthyx/kubernetes,bparees/kubernetes,saad-ali/kubernetes,ii/kubernetes,ravilr/kubernetes,mengqiy/kubernetes,MikeSpreitzer/kubernetes,kubernetes/kubernetes,cofyc/kubernetes,openshift/kubernetes,rafax/kubernetes,PiotrProkop/kubernetes,mikedanese/kubernetes,micahhausler/kubernetes,deads2k/kubernetes,andrewrynhard/kubernetes,verb/kubernetes,fanzhangio/kubernetes,bparees/kubernetes,mengqiy/kubernetes,olivierlemasle/kubernetes,PiotrProkop/kubernetes,dims/kubernetes,aledbf/kubernetes,thockin/kubernetes,warmchang/kubernetes,sdminonne/kubernetes,thockin/kubernetes,nikhita/kubernetes,linux-on-ibm-z/kubernetes,Clarifai/kubernetes,mikedanese/kubernetes,saad-ali/kubernetes,nak3/kubernetes,rafax/kubernetes,k82/kubernetes,carlory/kubernetes,dlorenc/kubernetes,chrislovecnm/kubernetes,k82/kubernetes,iterion/kubernetes,ingvagabund/kubernetes,jingxu97/kubernetes,zhouhaibing089/kubernetes,krmayankk/kubernetes,dereknex/kubernetes,aledbf/kubernetes,tengqm/kubernetes,kevin-wangzefeng/kubernetes,enj/kubernetes,iameli/kubernetes,x13n/kubernetes,BenTheElder/kubernetes,chestack/kubernetes,alejandroEsc/kubernetes,chestack/kubernetes,openshift/kubernetes,andrewrynhard/kubernetes,chrislovecnm/kubernetes,jagosan/kubernetes,nckturner/kubernetes,gnufied/kubernetes,warmchang/kubernetes,matthyx/kubernetes,jackfrancis/kubernetes,dereknex/kubernetes,Acidburn0zzz/kubernetes,feiskyer/kubernetes,mengqiy/kubernetes,jsafrane/kubernetes,tpepper/kubernetes,tengqm/kubernetes,dereknex/kubernetes,mahak/kubernetes,aledbf/kubernetes,nak3/kubernetes,mahak/kubernetes,mikebrow/kubernetes,liggitt/kubernetes,dixudx/kubernetes,fabriziopandini/kubernetes,verb/kubernetes,idvoretskyi/kubernetes,jessfraz/kubernetes,hex108/kubernetes,tengqm/kubernetes,spzala/kubernetes,k82cn/kubernetes,saad-ali/kubernetes,iameli/kubernetes,mfojtik/kubernetes,aledbf/kubernetes,openshift/kubernetes,monopole/kubernetes,BenTheElder/kubernetes,enj/kubernetes,andrewrynhard/kubernetes,ii/kubernetes,rafax/kubernetes,deads2k/kubernetes