meta: bump step-security/harden-runner from 2.12.0 to 2.12.2

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.12.0 to 2.12.2.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@0634a26...6c439dc)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-version: 2.12.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
PR-URL: #58923
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: dependabot[bot]

.github/workflows/scorecard.yml

@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0  # v2.12.0
+        uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49  # v2.12.2
         with:
           egress-policy: audit  # TODO: change to 'egress-policy: block' after couple of runs