.github/workflows/test.yml in rubicure-3.2.5 vs .github/workflows/test.yml in rubicure-3.2.6

@@ -27,10 +27,11 @@
           - "2.6"
           - "2.7"
           - "3.0"
           - "3.1"
           - "3.2"
+          - "3.3"
         gemfile:
           - activesupport_5_0
           - activesupport_5_1
           - activesupport_5_2
           - activesupport_6_0
@@ -52,10 +53,9 @@
 
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
-          rubygems: latest
           cache-version: 1
 
       - name: bundle update
         run: |
           set -xe