ci(0.77): only create .rnm-publish sentinel file if versioning happened#2685

Saadnajmi merged 1 commit intomicrosoft:0.77-stablemicrosoft/react-native-macos:0.77-stablefrom

Saadnajmi:0.77/checkSaadnajmi/react-native-macos:0.77/checkCopy head branch name to clipboard