Update ruby to 2.7 to fix bundlewatch

.github/workflows/bundlewatch.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Set up Bundler
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.6
+          ruby-version: 2.7
           bundler-cache: true
 
       - name: Install pnpm dependencies