updated README.md

README.md

@@ -754,6 +754,7 @@ See also [Knowledge Base notes for Hadoop](https://github.com/HariSekhon/Knowled
   - `github_push_pr_preview.sh` - pushes to GitHub origin, sets upstream branch, then open a Pull Request preview from current branch to the given or default trunk branch in your browser
   - `github_push_pr.sh` - pushes to GitHub origin, sets upstream branch, then idemopotently creates a Pull Request from current branch to the given or default trunk branch and opens the generated PR in your browser for review
   - `github_merge_branch.sh` - merges one branch into another branch via a Pull Request for full audit tracking all changes. Useful to automate feature PRs, code promotion across environment branches, or backport hotfixes from Production or Staging to trunk branches such as master, main, dev or develop
+  - `github_pull_merge_upstream.sh` - 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 merges the default branch to the local branch. Simplifies and automates keeping your personal forked repo up to date with the upstream to resolve merge conflicts locally and submit updated Pull Requests
   - `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