🌱 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 2.12.2 to 2.13.0
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@6c439dc...ec9f2d5)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-version: 2.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all-github-actions
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/cover.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Harden Runner
-      uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49 # v2.12.2
+      uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
       with:
         egress-policy: audit