fix: add missing field 'id-token'

.github/workflows/backend-build-alpha-image.yml

@@ -5,14 +5,14 @@ on:
   pull_request:
     branches: [ develop ]
     paths: backend/**
-
+permission:
+  id-token: write
 jobs:
   build:
     defaults:
       run:
         working-directory: backend
     runs-on: ubuntu-latest
-
     steps:
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@v4 # More information on this action can be found below in the 'AWS Credentials' section