Use action-sha

Author: cryptodev-2s

.github/workflows/changelog-check.yml

@@ -8,6 +8,7 @@ jobs:
   check_changelog:
     uses: MetaMask/github-tools/.github/workflows/changelog-check.yml@edc49612aa5d7c2636f463af0775b4d54736908f
     with:
+      action-sha: edc49612aa5d7c2636f463af0775b4d54736908f
       base-branch: ${{ github.event.pull_request.base.ref }}
       head-ref: ${{ github.head_ref }}
       labels: ${{ toJSON(github.event.pull_request.labels) }}