Adjust permissions on CI workflow

Author: cgcgcg

.github/workflows/build.yml

@@ -7,6 +7,11 @@ on:
     branches: [ "master" ]
   workflow_dispatch:
 
+permissions:
+  contents: read
+  actions: read
+  checks: write
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true