ci: bump step-security/harden-runner in the actions group

Bumps the actions group with 1 update: [step-security/harden-runner](https://github.com/step-security/harden-runner).


Updates `step-security/harden-runner` from 2.16.0 to 2.16.1
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@fa2e9d6...fe10465)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-version: 2.16.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/grippy-review.yml

@@ -18,7 +18,7 @@ jobs:
     if: github.event.pull_request.head.repo.full_name == github.repository
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@fa2e9d605c4eeb9fcad4c99c224cee0c6c7f3594  # v2.16.0
+      - uses: step-security/harden-runner@fe104658747b27e96e4f7e80cd0a94068e53901d  # v2.16.1
         with:
           egress-policy: audit