chore: Bump github/gh-aw-actions from 0.71.5 to 0.73.0

Bumps [github/gh-aw-actions](https://github.com/github/gh-aw-actions) from 0.71.5 to 0.73.0.
- [Release notes](https://github.com/github/gh-aw-actions/releases)
- [Changelog](https://github.com/github/gh-aw-actions/blob/main/CHANGELOG.md)
- [Commits](github/gh-aw-actions@b806842...cc81570)

---
updated-dependencies:
- dependency-name: github/gh-aw-actions
  dependency-version: 0.73.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

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

@@ -21,6 +21,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
       - name: Install gh-aw extension
-        uses: github/gh-aw-actions/setup-cli@b8068426813005612b960b5ab0b8bd2c27142323 # v0.71.5
+        uses: github/gh-aw-actions/setup-cli@cc81570b4572ee3ccd62613812c2505f13160de5 # v0.73.0
         with:
           version: v0.71.5