Update ci.yml

Author: j5ik2o

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
       fail-fast: false
       matrix:
         jdk: [ [email protected], [email protected], [email protected] ]
-        scala: [ 2.13.11, 2.12.17 ]
+        scala: [ 2.13.11, 2.12.17, 3.1.3 ]
     runs-on: ubuntu-latest
     needs: lint
     env: