try new bundle cache

.github/workflows/testing.yml

@@ -25,20 +25,20 @@ jobs:
       with:
         #TODO: bring this back to 2.7
         ruby-version: '2.6'
-        #bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically
     - uses: actions/checkout@v2
-    - uses: actions/[email protected]
-      with:
-        path: vendor/bundle
-        key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-gems-
-    - name: Install Gems
-      run: |
-        # use a bundler that supports our ancient ruby
-        gem install bundler -v 2.4.22
-        bundle config path vendor/bundle
-        bundle install --jobs 4 --retry 3
+    # - uses: actions/[email protected]
+    #   with:
+    #     path: vendor/bundle
+    #     key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
+    #     restore-keys: |
+    #       ${{ runner.os }}-gems-
+    # - name: Install Gems
+    #   run: |
+    #     # use a bundler that supports our ancient ruby
+    #     gem install bundler -v 2.4.22
+    #     bundle config path vendor/bundle
+    #     bundle install --jobs 4 --retry 3
     - run: echo $ENV
     - name: Attempt to build the static site
       run: bundle exec middleman build --bail