Add limited to deployments on specific branches comment

Author: james-toussaint

.github/workflows/upgrade.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
         contents: write # required by git-auto-commit-action
-    environment: ${{ inputs.network }}
+    environment: ${{ inputs.network }} # Secrets for an environment are already limited to deployments on specific branches
     steps:
     - name: Checkout
       uses: actions/checkout@v4