Update the pinned Agentic Workflow Firewall version to [`v0.28.13`](https://github.com/github/gh-aw-firewall/releases/tag/v0.28.13). ### Acceptance criteria - All firewall version references are updated to `v0.28.13`. - Generated artifacts are refreshed where applicable. - Relevant tests and checks pass.
Update the pinned Agentic Workflow Firewall version to
v0.28.13.Acceptance criteria
v0.28.13.