🔧 Improve Pull Request Context Detection

[dsyme]

Summary

• Enhanced GitHub workflow context detection for pull request events
• Added support for issue-linked pull request scenarios
• Improved robustness of pull request-related workflows

Details

The changes modify how pull request context is detected across multiple workflow components:

• Updated condition checks to support both direct pull request events and issue-linked pull requests
• Modified JavaScript and Go code to handle different event payload structures
• Ensured consistent context detection in various workflow scenarios