Use new Scala CLA (#43)

Author: Friendseeker

.github/workflows/check-cla.yml

@@ -3,7 +3,8 @@ name: Check CLA
 on: [pull_request]
 jobs:
   check-cla:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - run: ./scripts/check-cla.sh
+      - uses: scala/cla-checker@v1
+        with:
+          author: ${{ github.event.pull_request.user.login }}