Update instructions to install cfssl
Update instructions to install cfssl

Use the newer "go install" variant as we are above go 1.18

Signed-off-by: Davanum Srinivas <36003aec7ba325a16727bc9a176c12d2776a8ce4@gmail.com>

BenTheElder/kubernetes,ping035627/kubernetes,ravilr/kubernetes,mengqiy/kubernetes,zhangmingld/kubernetes,mkumatag/kubernetes,cblecker/kubernetes,mkumatag/kubernetes,warmchang/kubernetes,enj/kubernetes,gnufied/kubernetes,enj/kubernetes,thockin/kubernetes,GulajavaMinistudio/kubernetes,warmchang/kubernetes,lojies/kubernetes,thockin/kubernetes,liggitt/kubernetes,PiotrProkop/kubernetes,mosoft521/kubernetes,lojies/kubernetes,warmchang/kubernetes,dims/kubernetes,carlory/kubernetes,MikeSpreitzer/kubernetes,cblecker/kubernetes,mahak/kubernetes,jsafrane/kubernetes,jackfrancis/kubernetes,BenTheElder/kubernetes,shyamjvs/kubernetes,mosoft521/kubernetes,kevin-wangzefeng/kubernetes,thockin/kubernetes,mosoft521/kubernetes,liggitt/kubernetes,ping035627/kubernetes,kubernetes/kubernetes,warmchang/kubernetes,cblecker/kubernetes,shyamjvs/kubernetes,mengqiy/kubernetes,liggitt/kubernetes,jackfrancis/kubernetes,thockin/kubernetes,soltysh/kubernetes,ping035627/kubernetes,BenTheElder/kubernetes,carlory/kubernetes,MikeSpreitzer/kubernetes,kevin-wangzefeng/kubernetes,kubernetes/kubernetes,jackfrancis/kubernetes,enj/kubernetes,jackfrancis/kubernetes,enj/kubernetes,MikeSpreitzer/kubernetes,mkumatag/kubernetes,enj/kubernetes,dims/kubernetes,matthyx/kubernetes,dims/kubernetes,mengqiy/kubernetes,cblecker/kubernetes,kevin-wangzefeng/kubernetes,k82cn/kubernetes,lojies/kubernetes,zhangmingld/kubernetes,soltysh/kubernetes,soltysh/kubernetes,olivierlemasle/kubernetes,lojies/kubernetes,ravilr/kubernetes,PiotrProkop/kubernetes,carlory/kubernetes,zhangmingld/kubernetes,k82cn/kubernetes,jsafrane/kubernetes,soltysh/kubernetes,liggitt/kubernetes,matthyx/kubernetes,mahak/kubernetes,k82cn/kubernetes,kubernetes/kubernetes,deads2k/kubernetes,deads2k/kubernetes,soltysh/kubernetes,MikeSpreitzer/kubernetes,jackfrancis/kubernetes,matthyx/kubernetes,jsafrane/kubernetes,jsafrane/kubernetes,GulajavaMinistudio/kubernetes,liggitt/kubernetes,GulajavaMinistudio/kubernetes,BenTheElder/kubernetes,warmchang/kubernetes,shyamjvs/kubernetes,BenTheElder/kubernetes,ravilr/kubernetes,olivierlemasle/kubernetes,mkumatag/kubernetes,kevin-wangzefeng/kubernetes,k82cn/kubernetes,jessfraz/kubernetes,deads2k/kubernetes,mahak/kubernetes,kubernetes/kubernetes,jessfraz/kubernetes,kubernetes/kubernetes,zhangmingld/kubernetes,GulajavaMinistudio/kubernetes,kevin-wangzefeng/kubernetes,gnufied/kubernetes,zhangmingld/kubernetes,zhangmingld/kubernetes,ravilr/kubernetes,jessfraz/kubernetes,deads2k/kubernetes,ping035627/kubernetes,GulajavaMinistudio/kubernetes,PiotrProkop/kubernetes,jessfraz/kubernetes,mkumatag/kubernetes,ravilr/kubernetes,carlory/kubernetes,mengqiy/kubernetes,olivierlemasle/kubernetes,olivierlemasle/kubernetes,matthyx/kubernetes,PiotrProkop/kubernetes,gnufied/kubernetes,gnufied/kubernetes,mahak/kubernetes,MikeSpreitzer/kubernetes,mengqiy/kubernetes,thockin/kubernetes,cblecker/kubernetes,ping035627/kubernetes,dims/kubernetes,shyamjvs/kubernetes,olivierlemasle/kubernetes,PiotrProkop/kubernetes,matthyx/kubernetes,dims/kubernetes,jsafrane/kubernetes,deads2k/kubernetes,k82cn/kubernetes,mosoft521/kubernetes,lojies/kubernetes,mosoft521/kubernetes,shyamjvs/kubernetes,carlory/kubernetes,jessfraz/kubernetes,mahak/kubernetes,gnufied/kubernetes