chore: bump zgosalvez/github-actions-ensure-sha-pinned-actions

Bumps [zgosalvez/github-actions-ensure-sha-pinned-actions](https://github.com/zgosalvez/github-actions-ensure-sha-pinned-actions) from 3.0.14 to 3.0.15.
- [Release notes](https://github.com/zgosalvez/github-actions-ensure-sha-pinned-actions/releases)
- [Commits](zgosalvez/github-actions-ensure-sha-pinned-actions@40ba2d5...ed00f72)

---
updated-dependencies:
- dependency-name: zgosalvez/github-actions-ensure-sha-pinned-actions
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/security-hardening.yml

@@ -30,4 +30,4 @@ jobs:
         uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871  # v4.2.1
 
       - name: Ensure SHA Pinned Actions
-        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@40ba2d51b6b6d8695f2b6bd74e785172d4f8d00f  # v3.0.14
+        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@ed00f72a3ca5b6eff8ad4d3ffdcacedb67a21db1  # v3.0.15