ci.yml in pitchfork-0.11.1

- old
+ new

@@ -8,10 +8,10 @@
     timeout-minutes: 15
     strategy:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        ruby: ["3.2", "3.1", "3.0", "2.7", "2.6"]
+        ruby: ["ruby-head", "3.3", "3.2", "3.1", "3.0", "2.7", "2.6"]
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
         uses: actions/checkout@v3
 