🌱 Bump step-security/harden-runner from 2.1.0 to 2.2.0

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.1.0 to 2.2.0.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@18bf8ad...c8454ef)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/dependency-review.yml

@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@18bf8ad2ca49c14cbb28b91346d626ccfb00c518
+        uses: step-security/harden-runner@c8454efe5d0bdefd25384362fe217428ca277d57
         with:
           egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs