* Add bump-version check into the PR validation workflow
* Check condition for PR
* Setup step and job outputs for conditionals
* Fixup
* Limit fetch depth
* Fix typo
* Use a different checkout pattern
* Bump version
* Fixup conditional for the build stage
* Still allow the build stage even if the bump_version_check stage did found changes, as commits by github actions bot won't triggger actions
---------
Co-authored-by: GitHub Actions <actions@github.com>