[github action] change contents permission to write (gitpod-io#19674)

.github/workflows/build.yml

@@ -1,7 +1,7 @@
 name: Build
 permissions:
   id-token: write # This is required for requesting the JWT
-  contents: read  # This is required for actions/checkout
+  contents: write # This is required for actions/checkout and create release
   pull-requests: write
 on:
   pull_request: