gha: add permissions to publish-release (#267)

Author: andrewhsu

.github/workflows/publish-release.yml

@@ -6,6 +6,8 @@ on:
 jobs:
   build:
     runs-on: ubuntu-22.04
+    permissions:
+      contents: write
     steps:
       - uses: actions/checkout@v4
       - uses: actions/cache@v4