github-pr-submit

@oceanbase

Opens and updates GitHub pull requests for this repository using GitHub CLI (gh), filling the title and body from .github/PULL_REQUEST_TEMPLATE.md and team conventions. Covers optional issue links, self-check, and post-create label editing. Use when the user wants to submit a PR, open a pull request, use gh to create a PR, or align description with the repository PR template for oceanbase/oceanbase-design.