Use create-pull-request action for launchpad regeneration

[oblomov-dev]

Summary

Replace the manual git commit and push workflow with the peter-evans/create-pull-request action for launchpad regeneration.

Key Changes

• Added pull-requests: write permission to the workflow
• Replaced direct git commit/push logic with create-pull-request action
• Launchpad changes are now submitted as pull requests instead of direct commits to the branch
• Configured the action to:
  • Commit changes to src directory
  • Use a dedicated branch (launchpad/regenerate) with auto-cleanup
  • Include descriptive commit message and PR title
  • Set proper bot identity for commits

Implementation Details

The new approach provides better change visibility and control by creating pull requests for launchpad regeneration rather than directly pushing commits. This allows for review and validation before changes are merged.

https://claude.ai/code/session_01EiCb6id3V5DdiYdvK7G337