workflows: Pin third-party GitHub Actions to commit hashes - #123
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- A Git tag is mutable, so an action referenced by one can be replaced with different code without the reference changing, which `super-linter/super-linter` was already pinned against. - The version each hash corresponds to is kept in a trailing comment, which is the format Dependabot reads and rewrites when it bumps the action. - The reusable workflows of `cordada/github-actions-utils` are left referenced by branch, because they are internal to the organization. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Every third-party action used by the workflows of this repository was referenced by a Git tag, which is mutable: the owner of an action can move a tag to different code, and the reference in the workflow does not change.
super-linter/super-linterwas already pinned to a commit hash; the actions ofactions/*were not, and now are.For the Reviewer
gh api repos/<owner>/<repo>/git/ref/tags/<tag>. All three tags are lightweight and point straight at a commit, so there is no annotated tag object to dereference, and each hash can be checked against the corresponding tag on GitHub.# vX.Y.Zcomment, which is the shapesuper-linter/super-linteralready had and the one Dependabot reads and rewrites when it bumps an action, so.github/dependabot.ymlneeds no change.cordada/github-actions-utilskeep their@masterreference, because they are internal to the organization and this repository is the one that publishes them.