Fix test
Fix test

$ grep --color='auto' -P -n "[^[:ascii:]]" hack/verify-flags/known-flags.txt
78:dump-nginx—configuration

lavalamp/contrib,olark/kubernetes-contrib,rchicoli/kubernetes-contrib,danushkaf/contrib,timstclair/kube-contrib,upmc-enterprises/contrib,danushkaf/contrib,danushkaf/contrib,luxas/contrib,aledbf/contrib,atosatto/kubernetes-contrib,chiradeep/contrib,pwittrock/contrib,endocode/contrib,piosz/contrib,x13n/contrib,hongchaodeng/contrib,grodrigues3/contrib,aledbf/contrib,vishpat/contrib,gouyang/contrib,vishpat/contrib,piosz/contrib,lewislyou/contrib,eparis/contrib,simonswine/kubernetes-contrib,jasonbrooks/contrib,rmmh/kubernetes-contrib,krzyzacy/contrib,adamschaub/contrib,marketlogicsoftware/contrib,gmarek/contrib,eastbanctech/kubernetes-contrib,adamschaub/contrib,Q-Lee/contrib,caesarxuchao/contrib,danehans/contrib,lavalamp/contrib,rchicoli/kubernetes-contrib,x13n/contrib,Q-Lee/contrib,verb/contrib,danushkaf/contrib,rchicoli/kubernetes-contrib,ixdy/kubernetes-contrib,jcmoraisjr/k8s-contrib,gemini-project/contrib,k8s-packages-power/contrib,Pensu/contrib,x13n/contrib,simonswine/kubernetes-contrib,jasonbrooks/contrib,Wattpad/kubernetes-contrib,endocode/contrib,kokhang/contrib,hongchaodeng/contrib,kskalski/contrib,widgetpl/contrib,gemini-project/contrib,kskalski/contrib,vishpat/contrib,krousey/contrib,simonswine/kubernetes-contrib,lewislyou/contrib,endocode/contrib,gouyang/contrib,grodrigues3/contrib,gemini-project/contrib,olark/kubernetes-contrib,kow3ns/contrib,krousey/contrib,eastbanctech/kubernetes-contrib,kow3ns/contrib,adamschaub/contrib,chiradeep/contrib,kow3ns/contrib,foxish/contrib,chiradeep/contrib,micheleorsi/contrib,hongchaodeng/contrib,chiradeep/contrib,atosatto/kubernetes-contrib,simonswine/kubernetes-contrib,x13n/contrib,upmc-enterprises/contrib,verb/contrib,verb/contrib,danushkaf/contrib,gouyang/contrib,fcvarela/contrib,spxtr/contrib,upmc-enterprises/contrib,kokhang/contrib,k8s-packages-power/contrib,luxas/contrib,ingvagabund/contrib,jcmoraisjr/k8s-contrib,krousey/contrib,luxas/contrib,ixdy/kubernetes-contrib,vishpat/contrib,kskalski/contrib,luxas/contrib,cdemers/contrib,foxish/contrib,aledbf/contrib,k8s-packages-power/contrib,kokhang/contrib,moul/contrib,ingvagabund/contrib,kow3ns/contrib,Pensu/contrib,piosz/contrib,rmmh/kubernetes-contrib,moul/contrib,spxtr/contrib,chiradeep/contrib,foxish/contrib,micheleorsi/contrib,endocode/contrib,verb/contrib,kow3ns/contrib,moul/contrib,devlinmr/contrib,ixdy/kubernetes-contrib,stephenrlouie/contrib,gmarek/contrib,mikedanese/contrib,thockin/contrib,fcvarela/contrib,lewislyou/contrib,eparis/contrib,timstclair/kube-contrib,rmmh/kubernetes-contrib,spxtr/contrib,mikedanese/contrib,eastbanctech/kubernetes-contrib,Pensu/contrib,micheleorsi/contrib,thockin/contrib,ixdy/kubernetes-contrib,grodrigues3/contrib,spxtr/contrib,eparis/contrib,lewislyou/contrib,xialonglee/contrib,krzyzacy/contrib,Pensu/contrib,mikedanese/contrib,k8s-packages-power/contrib,foxish/contrib,ingvagabund/contrib,lavalamp/contrib,fcvarela/contrib,adamschaub/contrib,cdemers/contrib,chiradeep/contrib,thockin/contrib,marketlogicsoftware/contrib,lavalamp/contrib,piosz/contrib,ingvagabund/contrib,stephenrlouie/contrib,kokhang/contrib,jcmoraisjr/k8s-contrib,Pensu/contrib,kskalski/contrib,devlinmr/contrib,olark/kubernetes-contrib,kokhang/contrib,adamschaub/contrib,pwittrock/contrib,krousey/contrib,gmarek/contrib,spxtr/contrib,eastbanctech/kubernetes-contrib,jcmoraisjr/k8s-contrib,vishpat/contrib,gmarek/contrib,Wattpad/kubernetes-contrib,girishkalele/contrib,lavalamp/contrib,Wattpad/kubernetes-contrib,piosz/contrib,girishkalele/contrib,cdemers/contrib,hongchaodeng/contrib,widgetpl/contrib,simonswine/kubernetes-contrib,jasonbrooks/contrib,danehans/contrib,jasonbrooks/contrib,kokhang/contrib,Q-Lee/contrib,k8s-packages-power/contrib,foxish/contrib,gouyang/contrib,thockin/contrib,rmmh/kubernetes-contrib,xialonglee/contrib,aledbf/contrib,danehans/contrib,olark/kubernetes-contrib,krousey/contrib,lavalamp/contrib,devlinmr/contrib,freehan/contrib,jcmoraisjr/k8s-contrib,widgetpl/contrib,moul/contrib,ixdy/kubernetes-contrib,cdemers/contrib,pwittrock/contrib,ixdy/contrib,gmarek/contrib,freehan/contrib,spxtr/contrib,Pensu/contrib,rmmh/kubernetes-contrib,mikedanese/contrib,krzyzacy/contrib,xialonglee/contrib,timstclair/kube-contrib,upmc-enterprises/contrib,verb/contrib,grodrigues3/contrib,girishkalele/contrib,gouyang/contrib,jcmoraisjr/k8s-contrib,ingvagabund/contrib,gemini-project/contrib,Wattpad/kubernetes-contrib,Q-Lee/contrib,rchicoli/kubernetes-contrib,fcvarela/contrib,olark/kubernetes-contrib,grodrigues3/contrib,eparis/contrib,micheleorsi/contrib,cdemers/contrib,thockin/contrib,mikedanese/contrib,ixdy/kubernetes-contrib,widgetpl/contrib,marketlogicsoftware/contrib,caesarxuchao/contrib,rmmh/kubernetes-contrib,xialonglee/contrib,danehans/contrib,cdemers/contrib,hongchaodeng/contrib,stephenrlouie/contrib,luxas/contrib,rchicoli/kubernetes-contrib,girishkalele/contrib,ixdy/contrib,krzyzacy/contrib,micheleorsi/contrib,pwittrock/contrib,timstclair/kube-contrib,devlinmr/contrib,eparis/contrib,fcvarela/contrib,gemini-project/contrib,x13n/contrib,eastbanctech/kubernetes-contrib,widgetpl/contrib,eastbanctech/kubernetes-contrib,danehans/contrib,ingvagabund/contrib,lewislyou/contrib,krousey/contrib,caesarxuchao/contrib,simonswine/kubernetes-contrib,Q-Lee/contrib,k8s-packages-power/contrib,danehans/contrib,timstclair/kube-contrib,x13n/contrib,kskalski/contrib,upmc-enterprises/contrib,atosatto/kubernetes-contrib,freehan/contrib,atosatto/kubernetes-contrib,gemini-project/contrib,chiradeep/contrib,endocode/contrib,Wattpad/kubernetes-contrib,piosz/contrib,eparis/contrib,stephenrlouie/contrib,stephenrlouie/contrib,krzyzacy/contrib,upmc-enterprises/contrib,fcvarela/contrib,devlinmr/contrib,freehan/contrib,devlinmr/contrib,aledbf/contrib,verb/contrib,olark/kubernetes-contrib,aledbf/contrib,marketlogicsoftware/contrib,stephenrlouie/contrib,moul/contrib,luxas/contrib,grodrigues3/contrib,rchicoli/kubernetes-contrib,marketlogicsoftware/contrib,kow3ns/contrib,krzyzacy/contrib,gouyang/contrib,Q-Lee/contrib,timstclair/kube-contrib,girishkalele/contrib,girishkalele/contrib,caesarxuchao/contrib,caesarxuchao/contrib,pwittrock/contrib,mikedanese/contrib,freehan/contrib,kskalski/contrib,xialonglee/contrib,jasonbrooks/contrib,hongchaodeng/contrib,jasonbrooks/contrib,xialonglee/contrib,atosatto/kubernetes-contrib,gmarek/contrib,atosatto/kubernetes-contrib,endocode/contrib,lewislyou/contrib,Wattpad/kubernetes-contrib,widgetpl/contrib,caesarxuchao/contrib,ixdy/contrib,marketlogicsoftware/contrib,vishpat/contrib,foxish/contrib,adamschaub/contrib,thockin/contrib,freehan/contrib,micheleorsi/contrib,pwittrock/contrib,danushkaf/contrib