.github/workflows/test.yml in redstream-0.5.0 vs .github/workflows/test.yml in redstream-0.6.0

@@ -3,14 +3,15 @@
 jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['2.5', '2.6', '2.7', '3.0']
+        ruby: ['2.7', '3.0', '3.2']
         redis:
           - redis:5.0
           - redis:6.0
+          - redis:7.0
     services:
       redis:
         image: ${{ matrix.redis }}
         ports:
           - 6379:6379
@@ -23,9 +24,8 @@
       id: cache
       with:
         path: vendor/bundler
         key: ${{ hashFiles('Gemfile.lock') }}-${{ matrix.ruby }}
     - run: |
-        gem install bundler
         bundle install --path=vendor/bundler
         bundle exec rspec
         bundle exec rubocop