CI against Redis 7, Ruby 3.1, and Ruby 3.2 (#113)

* CI against Redis 7, Ruby 3.1, and Ruby 3.2

* ⚠️ Node.js 12 actions are deprecated.

> Please update the following actions to use Node.js 16: actions/checkout@v2.
> For more information see: https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/.
Redis

Author: amatsuda

.github/workflows/ci.yml

@@ -5,13 +5,13 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        redis_server: ["4", "5", "6.2"]
-        ruby: ["2.7", "3.0"]
+        redis_server: ["4", "5", "6", "7"]
+        ruby: ["2.7", "3.0", "3.1", "3.2"]
 
     name: Redis server ${{ matrix.redis_server }} - Ruby ${{ matrix.ruby }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1