ci.yml in cqm-validators-4.0.5

- old
+ new

@@ -11,10 +11,10 @@
 
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        ruby-version: [2.6, 2.5]
+        ruby-version: [3.2]
         mongodb-version: [4.0.18, 4.4]
 
     steps:
     - uses: actions/checkout@v2
     - name: Use Ruby ${{ matrix.ruby-version }}