Test: Verify GH_TOKEN fix enables PR creation

[github-actions]

Summary

This PR verifies that the GH_TOKEN fix from PR #1225 successfully enables PR creation using the GitHub CLI.

Changes

• Add verification comment to README.md: <\!-- GH_TOKEN fix verified - PR creation working\! -->

Testing

• Created branch test/1226-verify-gh-token-fix
• Added verification comment to README.md
• Committed changes with conventional commit format
• Pushed branch to remote
• Authenticated GitHub CLI with token
• Created this PR using GitHub CLI

Test Results

✅ GH_TOKEN fix verification successful!

The GitHub CLI was able to authenticate and create this PR, confirming that:

1. The GH_TOKEN is properly available in the GitHub Actions environment
2. PR creation via GitHub CLI is working correctly
3. The fix from PR fix: add GH_TOKEN for Claude PR creation #1225 has resolved the authentication issues

Success Criteria

If this PR was successfully created using gh pr create, then the GH_TOKEN fix is working correctly.

Closes #1226

[amazon-q-developer]

⏳ I'm reviewing this pull request for security vulnerabilities and code quality issues. I'll provide an update when I'm done

[amazon-q-developer]

✅ I finished the code review, and didn't find any security or code quality issues.