chore: update NGINX to 1.21.6 (#9231)
chore: update NGINX to 1.21.6 (#9231)

Signed-off-by: Jintao Zhang <28e5e958376b8c51129d2e4ab3ba1f95ea9e6b6c@gmail.com>

Signed-off-by: Jintao Zhang <28e5e958376b8c51129d2e4ab3ba1f95ea9e6b6c@gmail.com>
kubernetes/ingress-nginx,kubernetes/ingress-nginx,kubernetes/ingress-nginx,kubernetes/ingress-nginx,kubernetes/ingress-nginx