GitHub Actions: build on Java 17 and 19 and upload artifacts

Author: DevCharly

.github/workflows/ci.yml

@@ -27,7 +27,8 @@ jobs:
           - 1.8
           - 9
           - 11  # LTS
-          - 15
+          - 17  # LTS
+          - 19
 
     steps:
       - uses: actions/checkout@v2
@@ -48,6 +49,17 @@ jobs:
         run: mvn --batch-mode test
         working-directory: svg-core
 
+      - name: Package artifacts
+        if: matrix.java == '1.8'
+        run: mvn --batch-mode package
+        working-directory: svg-core
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        if: matrix.java == '1.8'
+        with:
+          name: svgSalamander-build-artifacts
+          path: svg-core/target/svgSalamander-*.jar
 
   deploy:
     runs-on: ubuntu-latest