Change samples build with workflows

- Relates #407

.github/workflows/ci-pr.yml

@@ -6,11 +6,27 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    name: CI PR Build
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - nickname: linux jdk8
+            java: 8
+            disable-samples: true
+          - nickname: linux jdk11
+            java: 11
+            disable-samples: false
+          - nickname: linux jdk17
+            java: 17
+            disable-samples: false
+    name: CI PR ${{ matrix.nickname }}
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v2
         with:
           distribution: adopt
           java-version: 8
-      - run: ./mvnw -B package
+      - name: Build
+        env:
+          DISABLE_SAMPLES: ${{ matrix.disable-samples }}
+        run: ./mvnw -B package