ci: wait until monoliths are done deploying successfully before deploying the balancer

Author: dyc3

.github/workflows/main.yml

@@ -121,7 +121,7 @@ jobs:
 
   deploy-fly-staging-monolith:
     runs-on: ubuntu-latest
-    name: Deploy on fly.io
+    name: Deploy Monolith on fly.io (staging)
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'
     needs: [test, lint]
     steps:
@@ -132,9 +132,9 @@ jobs:
           FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
   deploy-fly-staging-balancer:
     runs-on: ubuntu-latest
-    name: Deploy on fly.io
+    name: Deploy Balancer on fly.io (staging)
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'
-    needs: [test, lint]
+    needs: [test, lint, deploy-fly-staging-monolith]
     steps:
       - uses: actions/checkout@v3
       - uses: superfly/flyctl-actions/setup-flyctl@master
@@ -144,7 +144,7 @@ jobs:
 
   deploy-fly-prod:
     runs-on: ubuntu-latest
-    name: Deploy on fly.io
+    name: Deploy Monolith on fly.io (prod)
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'
     needs: [test, lint]
     steps: