ci.yml in attr_json-2.2.0

- old
+ new

@@ -47,10 +47,18 @@
           - gemfile: rails_7_0
             ruby: 3.1
 
           - gemfile: rails_7_0
             ruby: 3.2
+            
+          - gemfile: rails_7_1
+            ruby: '3.0'
 
+          - gemfile: rails_7_1
+            ruby: 3.1
+
+          - gemfile: rails_7_1
+            ruby: 3.2
 
     name: ${{ matrix.gemfile }}, ruby ${{ matrix.ruby }}
 
     steps:
     - uses: actions/checkout@v3