ci.yml in karafka-2.0.11

- old
+ new

@@ -50,12 +50,17 @@
     needs: diffend
     strategy:
       fail-fast: false
       matrix:
         ruby:
+          # We run it against the oldest and the newest of a given major to make sure, that there
+          # are no syntax-sugars that we would use that were introduced down the road
           - '3.1'
+          - '3.1.0'
           - '3.0'
+          - '3.0.0'
           - '2.7'
+          - '2.7.0'
         include:
           - ruby: '3.1'
             coverage: 'true'
     steps:
       - uses: actions/checkout@v2