enable auto deploy to gamma

.github/workflows/docker-image.yml

@@ -100,20 +100,10 @@ jobs:
           platforms: linux/amd64,linux/arm64
           build-args: |
             POSTHOG_API_KEY=${{ secrets.PUBLIC_POSTHOG_API_KEY }}
-  manualApprove:
-    needs: [frontend-image, backend-image]
-    environment:
-      name: gamma-deployment
-    runs-on: ubuntu-latest
-    steps:
-    - name: manual approve
-      run: |
-          echo "Manually approved"
   gamma-deployment:
     name: Deploy to gamma
     runs-on: ubuntu-latest
-    needs: [manualApprove]
-    if: github.event_name == 'repository_dispatch'
+    needs: [frontend-image, backend-image]
     steps:
       - name: ☁️ Checkout source
         uses: actions/checkout@v3