chore(deps): bump actions/github-script in the github-actions group

Bumps the github-actions group with 1 update: [actions/github-script](https://github.com/actions/github-script).


Updates `actions/github-script` from 7 to 9
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v7...v9)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-version: '9'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/coding-agent-pr-gate.yml

@@ -25,7 +25,7 @@ jobs:
       pull-requests: read
     steps:
       - name: Verify every Agent attestation checkbox is ticked
-        uses: actions/github-script@v7
+        uses: actions/github-script@v9
         with:
           script: |
             const body = context.payload.pull_request.body || '';

.github/workflows/mirror-issue-labels.yml

@@ -23,7 +23,7 @@ jobs:
       issues: read
     steps:
       - name: Copy labels from linked issue(s)
-        uses: actions/github-script@v7
+        uses: actions/github-script@v9
         with:
           script: |
             const body = context.payload.pull_request.body || '';