meta: bump step-security/harden-runner from 2.5.0 to 2.5.1

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.5.0 to 2.5.1.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@cba0d00...8ca2b8b)

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

Signed-off-by: dependabot[bot] <support@github.com>
PR-URL: #49435
Refs: step-security/harden-runner@8ca2b8b
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Debadree Chatterjee <debadree333@gmail.com>

.github/workflows/scorecard.yml

@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@cba0d00b1fc9a034e1e642ea0f1103c282990604  # v2.5.0
+        uses: step-security/harden-runner@8ca2b8b2ece13480cda6dacd3511b49857a23c09  # v2.5.1
         with:
           egress-policy: audit  # TODO: change to 'egress-policy: block' after couple of runs