chore(ci): Set token permission to read (#2275)

tottoto · web-flow · commit e4ba8b5c0cd1 · 2025-05-13T18:17:20.000+09:00
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
@@ -11,6 +11,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
 
   rustfmt:
