feat: Improve github CI for docker building#4

ferranbt merged 1 commit intoflashbots:mainflashbots/op-rbuilder:mainfrom

SozinM:msozin/fix-docker-build-times-and-ci-actionSozinM/op-rbuilder:msozin/fix-docker-build-times-and-ci-actionCopy head branch name to clipboard