Use GHA to check pull requests

.github/workflows/build-test.yml

@@ -0,0 +1,66 @@
+name: Check
+
+on:
+  pull_request: # Check Pull Requests
+
+  push:
+    branches:
+      - master # Check branch after merge
+
+concurrency:
+  # Only run once for latest commit per ref and cancel other (previous) runs.
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  # Run Gradle Wrapper Validation to verify the wrapper's checksum
+  gradle-validation:
+    name: Gradle Wrapper
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          # we don't know what commit the last tag was
+          fetch-depth: 0
+
+      - name: Gradle Wrapper Validation
+        uses: gradle/wrapper-validation-action@v1
+
+  check:
+    name: Check for Scala ${{ matrix.scala }}
+    runs-on: ubuntu-latest
+    needs: gradle-validation
+    strategy:
+      matrix:
+        include:
+          - scala: "2.11"
+            lagom: "1.4.15"
+          - scala: "2.12"
+            lagom: "1.5.5"
+          - scala: "2.13"
+            lagom: "1.6.4"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          # we don't know what commit the last tag was
+          fetch-depth: 0
+
+      - uses: actions/setup-java@v3
+        with:
+          distribution: 'liberica'
+          java-version: '8'
+          check-latest: true
+          cache: 'gradle'
+
+      - name: Check
+        run: >-
+          ./gradlew --no-daemon clean check 
+          -PscalaBinaryVersion=${{ matrix.scala }} -PlagomVersion=${{ matrix.lagom }}
+
+  finish:
+    name: Finish
+    needs: # Should be last
+      - "check"
+    uses: taymyr/.github/.github/workflows/rtm.yml@v1