intra-step leasing: Add lease proxy server specs in prowgen#4877

danilo-gemoli wants to merge 4 commits intoopenshift:mainopenshift/ci-tools:mainfrom

danilo-gemoli:feat/ci-operator-prowgen/intra-step-leasedanilo-gemoli/ci-tools:feat/ci-operator-prowgen/intra-step-leaseCopy head branch name to clipboard