Add GitHub Action to suggest version branches for PRs

[sensei-hacker]

User description

Adds a GitHub Action that automatically comments on new Pull Requests targeting the master branch, suggesting that contributors consider targeting maintenance-9.x or maintenance-10.x branches instead when appropriate.

• Triggers when a PR is opened targeting master
• Adds an informational comment explaining when to use maintenance branches
• Non-blocking - contributors can still merge to master if appropriate

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PR Type

Enhancement

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Description

• Adds GitHub Action workflow for PR branch suggestions

• Automatically comments on PRs targeting master branch

• Suggests maintenance-9.x or maintenance-10.x branches

• Provides guidance on branch selection criteria

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Diagram Walkthrough

flowchart LR
  PR["PR opened on master"] -- "triggers workflow" --> Action["GitHub Action executes"]
  Action -- "posts comment" --> Comment["Branch suggestion comment"]
  Comment -- "guides contributor" --> Decision["Choose appropriate branch"]

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File Walkthrough

Relevant files

Enhancement

pr-branch-suggestion.yml New workflow for PR branch targeting suggestions                  .github/workflows/pr-branch-suggestion.yml Creates new GitHub Actions workflow triggered on PR open events Targets PRs opened against the master branch Uses github-script action to post automated comment Comment explains when to use maintenance-9.x vs maintenance-10.x branches Provides clear guidance on backward compatibility considerations +37/-0

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[qodo-code-review]

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