build(deps): Bump github/gh-aw from 0.68.1 to 0.68.3

Bumps [github/gh-aw](https://github.com/github/gh-aw) from 0.68.1 to 0.68.3.
- [Release notes](https://github.com/github/gh-aw/releases)
- [Changelog](https://github.com/github/gh-aw/blob/main/CHANGELOG.md)
- [Commits](github/gh-aw@5a06d31...ce17949)

---
updated-dependencies:
- dependency-name: github/gh-aw
  dependency-version: 0.68.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/copilot-setup-steps.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
       - name: Install gh-aw extension
-        uses: github/gh-aw/actions/setup-cli@5a06d310cf45161bde77d070065a1e1489fc411c # v0.68.1
+        uses: github/gh-aw/actions/setup-cli@ce1794953e0ec42adc41b6fca05e02ab49ee21c3 # v0.68.3
         with:
           version: v0.68.1
       - name: Install uv