ci: fix workflow permissions

Author: f-gillmann

.github/workflows/deploy.yml

@@ -1,11 +1,14 @@
-name: Docker Deploy
+name: Deploy
 
 on:
   workflow_dispatch:
 
 jobs:
   deploy:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
 
     steps:
       - name: Checkout code