Add permissions to GitHub Action workflows

Author: marcoroth

.github/workflows/build.yml

@@ -2,6 +2,9 @@ name: Build
 
 on: [push]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     name: Build

.github/workflows/release.yml

@@ -10,6 +10,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   build:
     name: Build Native Gems with Rake-Compiler-Dock