updated README.md

README.md

@@ -911,6 +911,7 @@ See also [Knowledge Base notes for Hadoop](https://github.com/HariSekhon/Knowled
   - `github_pull_merge_trunk.sh` - pulls the origin or fork upstream repo's trunk branch and merges it into the local branch, In a forked GitHub repo's checkout, determines the origin of the fork using GitHub CLI, configures a git remote to the upstream, pulls the default branch and if on a branch other than the default then merges the default branch to the local current branch. Simplifies and automates keeping your checkout or forked repo up to date with the original source repo to quickly resolve merge conflicts locally and submit updated Pull Requests
   - `github_forked_add_remote.sh` - quickly adds a forked repo as a remote from an interactive men list of forked repos
   - `github_forked_checkout_branch.sh` - quickly check out a forked repo's branch from an interactive menu lists of forked repos and their branches
+  - `github_tag_hashref.sh` - Returns the GitHub commit hashref for a given GitHub Actions `owner/repo@tag` or `https://github.com/owner/repo@tag`. Useful for pinning 3rd party GitHub Actions to hashref instead of tag to follow [GitHub Actions Best Practices](https://github.com/HariSekhon/Knowledge-Base/blob/main/github-actions.md#github-actions-best-practices)
   - `github_actions_foreach_workflow.sh` - executes a templated command for each workflow in a given GitHub repo, replacing `{name}`, `{id}` and `{state}` in each iteration
   - `github_actions_aws_create_load_credential.sh` - creates an AWS user with group/policy, generates and downloads access keys, and uploads them to the given repo
   - `github_actions_in_use.sh` - lists GitHub Actions directly referenced in the .github/workflows in the current local repo checkout