Bump zgosalvez/github-actions-ensure-sha-pinned-actions

Bumps the actions-all-dependencies group with 1 update: [zgosalvez/github-actions-ensure-sha-pinned-actions](https://github.com/zgosalvez/github-actions-ensure-sha-pinned-actions).


Updates `zgosalvez/github-actions-ensure-sha-pinned-actions` from 4.0.1 to 5.0.3
- [Release notes](https://github.com/zgosalvez/github-actions-ensure-sha-pinned-actions/releases)
- [Commits](zgosalvez/github-actions-ensure-sha-pinned-actions@6124774...471d5ac)

---
updated-dependencies:
- dependency-name: zgosalvez/github-actions-ensure-sha-pinned-actions
  dependency-version: 5.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions-all-dependencies
...

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

Author: dependabot[bot]

.github/workflows/require-pinned-github-actions.yml

@@ -14,6 +14,6 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Ensure SHA pinned actions
-        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@6124774845927d14c601359ab8138699fa5b70c3 # v4.0.1
+        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@471d5ace1f08e3c4df1c4c2f7e6341aa75da434a # v5.0.3
         with:
           allowlist: alphagov/forms-deploy