chore(deps): update zgosalvez/github-actions-ensure-sha-pinned-actions action to v4

Author: renovate[bot]

.github/workflows/security.yaml

@@ -9,7 +9,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
       - name: Ensure SHA pinned actions
-        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@fc87bb5b5a97953d987372e74478de634726b3e5 # v3
+        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@9e9574ef04ea69da568d6249bd69539ccc704e74 # v4
         with:
           allowlist: |
             Kong/