Update renew-cert.sh
requested to merge satyanarayan.raypitambarmohapatra/gwcelery:satyanarayan.raypitambarmohapatra-main-patch-11180 into main
ecp-get-cert and ecp-cert-info instead of ligo-proxy-init and grid-cert-info
ecp-get-cert and ecp-cert-info instead of ligo-proxy-init and grid-cert-info