ci: update deployment workflow for main branch

.gitea/workflows/deploy.yml

@@ -2,16 +2,17 @@ name: Deploy
 on:
   push:
     branches:
-      - "feat/deployment"
-#    paths:
-#      - "backend/**"
+      - "main"
+    paths:
+      - "backend/**"
   
 jobs:
   build-image:
     runs-on: ubuntu-latest
     name: Build Docker Image
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout
+        uses: actions/checkout@v4
       - name: Build Image
         run: docker buildx build -f backend/.docker/Dockerfile -t git.kjan.de/szut/casino-backend:latest backend
       - name: Login