ci: Update GitHub Actions workflow to include write permissions for contents during Docker Hub publish

Author: experdot

.github/workflows/publish-dockerhub.yml

@@ -19,7 +19,8 @@ env:
 jobs:
     build-and-push:
         runs-on: ubuntu-latest
-
+        permissions:
+            contents: write
         steps:
             - name: Checkout code
               uses: actions/checkout@v4