Update use-action.yaml

.github/workflows/use-action.yaml

@@ -6,6 +6,8 @@ on:
   push:
     branches: ['main']
 
+permissions: {}
+
 jobs:
   use-action:
     name: Use Action
@@ -17,6 +19,9 @@ jobs:
     defaults:
       run:
         shell: bash
+        
+    permissions:
+      packages: write
 
     steps:
       - uses: actions/setup-go@v5
@@ -28,6 +33,8 @@ jobs:
       - run: |
           crane digest ubuntu
           crane manifest ubuntu | jq
+      - if: github.event_name == 'push'
+        run: |
           crane copy ubuntu ghcr.io/${{ github.repository }}/ubuntu-copy
 
       - name: Install old release