Bump step-security/helm-gh-pages from 1.7.3 to 1.7.4 (#12171)

Bumps [step-security/helm-gh-pages](https://github.com/step-security/helm-gh-pages) from 1.7.3 to 1.7.4.
- [Release notes](https://github.com/step-security/helm-gh-pages/releases)
- [Commits](step-security/helm-gh-pages@193f06c...7e699aa)

---
updated-dependencies:
- dependency-name: step-security/helm-gh-pages
  dependency-version: 1.7.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release-production.yml

@@ -126,7 +126,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Publish helm chart
-        uses: step-security/helm-gh-pages@193f06cc02866ad07b39a035d2be93835912b1f4 # v1.7.3
+        uses: step-security/helm-gh-pages@7e699aae25ac1a3fe1bf8adec63a3eb7cc892e48 # v1.7.4
         with:
           target_dir: charts
           token: ${{ secrets.GITHUB_TOKEN }}