meta: bump step-security/harden-runner from 2.9.0 to 2.9.1

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@0d38121...5c7944e)

---
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: #54704
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>

Author: dependabot[bot]

.github/workflows/scorecard.yml

@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@0d381219ddf674d61a7572ddd19d7941e271515c  # v2.9.0
+        uses: step-security/harden-runner@5c7944e73c4c2a096b17a9cb74d65b6c2bbafbde  # v2.9.1
         with:
           egress-policy: audit  # TODO: change to 'egress-policy: block' after couple of runs