Merge pull request #353 from scala/add-cla-check

add CLA check

Author: SethTisue

Diff for: .github/workflows/ci.yml

@@ -21,5 +21,6 @@ jobs:
       with:
         distribution: temurin
         java-version: ${{matrix.java}}
+    - uses: sbt/setup-sbt@v1
     - name: Test
       run: sbt ++${{matrix.scala}} test proj/headerCheck package

Diff for: .github/workflows/cla.yml

@@ -0,0 +1,11 @@
+name: "Check Scala CLA"
+on:
+  pull_request:
+jobs:
+  cla-check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Verify CLA
+        uses: scala/cla-checker@v1
+        with:
+          author: ${{ github.event.pull_request.user.login }}