ci: workflow to delete deployments

.github/workflows/delete-deploy.yml

@@ -0,0 +1,15 @@
+name: Delete Environment (default settings)
+
+on:
+  workflow_dispatch: {}
+
+jobs:
+  delete:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: strumwolf/delete-deployment-environment@v2
+        with:
+          token: ${{ github.token }}
+          environment: production
+          ref: csmstest
+          onlyRemoveDeployments: true