[aw] Upgrade available

## Agentic Workflow Upgrade Available

A new version of the agentic workflow tooling is available. Run `gh aw upgrade` to apply it.

**Files that will be updated:**

- `.github/aw/actions-lock.json`
- `.github/skills/agentic-workflows/SKILL.md`

### How to apply

- **Via @copilot**: Add a comment `@copilot upgrade agentic workflows` on this issue
- **Via CLI**: Run `gh aw upgrade` in your local checkout

Start by running `gh aw upgrade` in the repository. Review the changes to `.github/aw/actions-lock.json` and `.github/skills/agentic-workflows/SKILL.md`; the work is complete when the upgrade finishes and both files contain the generated updates.

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