Test on Java 8

Author: deivid-rodriguez

.github/workflows/ci.yml

@@ -11,6 +11,12 @@ jobs:
   ci:
     runs-on: ubuntu-20.04
 
+    strategy:
+      fail-fast: false
+
+      matrix:
+        java: [8, 11]
+
     steps:
       - name: checkout
         uses: actions/checkout@v2
@@ -19,7 +25,7 @@ jobs:
         uses: actions/setup-java@v2
         with:
           distribution: zulu
-          java-version: 11
+          java-version: ${{ matrix.java }}
 
       - name: Install dependencies
         run: ./mvnw install -Dmaven.test.skip -Dinvoker.skip