fix: add write contents permission to pipeline

Author: yejiyang

.github/workflows/frontend-image.yml

@@ -4,12 +4,12 @@ on:
   push:
     branches: [main]
     paths:
-      - 'frontend/**'
-      - '.github/workflows/frontend-image.yml'
+      - "frontend/**"
+      - ".github/workflows/frontend-image.yml"
   workflow_dispatch:
 
 permissions:
-  contents: read
+  contents: write
   packages: write
 
 jobs:
@@ -47,4 +47,3 @@ jobs:
           tags: |
             ghcr.io/${{ github.repository_owner }}/global-tsunami-risk-map-frontend:latest
             ghcr.io/${{ github.repository_owner }}/global-tsunami-risk-map-frontend:${{ env.VERSION }}
-