🌱 Bump step-security/harden-runner

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


Updates `step-security/harden-runner` from 2.7.1 to 2.8.0
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@a4aa98b...f086349)

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

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

.github/workflows/cover.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Harden Runner
-      uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4 # v2.7.1
+      uses: step-security/harden-runner@f086349bfa2bd1361f7909c78558e816508cdc10 # v2.8.0
       with:
         egress-policy: audit