Use bundler-cache: true

.github/workflows/test.yml

@@ -25,16 +25,10 @@ jobs:
           - truffleruby-head
     steps:
       - uses: actions/checkout@v2
+      - run: sudo apt-get update && sudo apt-get install -y nodejs libxslt-dev # nodejs for execjs, libxslt for TruffleRuby nokogiri
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
-      - uses: actions/cache@v2
-        with:
-          path: vendor/bundle
-          key: ${{ runner.os }}-${{ matrix.ruby }}-gems-${{ hashFiles('**/Gemfile.lock') }}
-          restore-keys: ${{ runner.os }}-gems-
-      - run: sudo apt-get update && sudo apt-get install -y nodejs libxslt-dev # nodejs for execjs, libxslt for TruffleRuby nokogiri
-      - name: bundle install
-        run: bundle config path vendor/bundle && bundle install -j$(nproc) --retry 3
+          bundler-cache: true
       - run: bundle exec rake test