[release/v7.4] Add reusable get-changed-files action and refactor existing actions#26361

TravisEz13 merged 2 commits into

PowerShell:release/v7.4PowerShell/PowerShell:release/v7.4from

pwshBot:backport/release/v7.4/26355-e23ffddb0pwshBot/PowerShell:backport/release/v7.4/26355-e23ffddb0Copy head branch name to clipboard