modified worflow to test image is pushed to ghcr

.github/workflows/docker-build.yaml

@@ -3,13 +3,13 @@ on:
   push:
     branches: ['test-worflow-for-image']
   workflow_dispatch:
-permissions:
-    contents: read
-    pages: write
-    id-token: write
+
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
     steps:
       - name: Checkout code
         uses: actions/checkout@v3