Update gh-aw to use [gh-aw-firewall v0.28.50](https://github.com/github/gh-aw-firewall/releases/tag/v0.28.50). Review the release changes, update the pinned firewall version using the repository's established upgrade process, and run the relevant validation.
Update gh-aw to use gh-aw-firewall v0.28.50.
Review the release changes, update the pinned firewall version using the repository's established upgrade process, and run the relevant validation.