Fully bust setup-ruby github action cache

Author: colby-swandale

.github/workflows/build.yml

@@ -35,7 +35,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
-          cache-version: 1 # Increment this number if you need to re-download cached gems
+          cache-version: 2 # Increment this number if you need to re-download cached gems
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v5