Skip permission setup

Author: soutaro

.github/workflows/ruby.yml

@@ -44,8 +44,8 @@ jobs:
           bundler: none
       - name: Set working directory as safe
         run: git config --global --add safe.directory $(pwd)
-      - name: Set up permission
-        run: chmod -R o-w /opt/hostedtoolcache/Ruby
+      # - name: Set up permission
+      #   run: chmod -R o-w /opt/hostedtoolcache/Ruby
       - name: Install dependencies
         run: |
           sudo apt-get update