Build GraalVM native image

Signed-off-by: Jakub Zalas <jakub@zalas.pl>

.github/workflows/build.yml

@@ -44,6 +44,26 @@ jobs:
           name: JARs
           path: target/*.jar
 
+      - name: Set up GraalVM
+        uses: DeLaGuardo/setup-graalvm@4.0
+        with:
+          java: 'java8'
+
+      - name: Install the native-image component
+        run: gu install native-image
+
+      - name: Build with GraalVM
+        run: mvn --batch-mode -Pgithub-releases -Pnative-image clean install
+
+      - name: Publish GraalVM artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: GraalVM
+          path: |
+            target/*.h
+            target/*.so
+            target/*.build_artifacts.txt
+
       - name: Notify slack
         if: always() && (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/')) && github.repository_owner == 'vlingo'
         uses: rtCamp/action-slack-notify@v2