fix(cd): only deploy when CI passes on main

.gitea/workflows/cd.yml

@@ -1,13 +1,16 @@
 name: cd
 
 on:
-  push:
+  workflow_run:
+    workflows: ["CI"]
+    types: [completed]
     branches: [main]
 
 jobs:
   deploy:
     name: Build and deploy
     runs-on: self-hosted
+    if: ${{ github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.event == 'push' }}
     env:
       SERVICE: supervisor
       IMAGE: gitea.d-ma.be/mathias/supervisor