Fixed versions for better CI/CD and Zulu to provide that (#55)

* Use fixed JDK version with Temurin

* Use fixed JDK version with Temurin

* Zulu provides fixed versions

* Zulu provides fixed versions

* trigger the release only once

Co-authored-by: Cloudburst <18114966+C10udburst@users.noreply.github.com>

.github/workflows/pull_request.yml

@@ -9,14 +9,16 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
-
+    strategy:
+      matrix:
+        java: [ '16', '16.0.1' ]
     steps:
     - uses: actions/checkout@v2
     - name: Set up JDK 16
       uses: actions/setup-java@v2
       with:
-        java-version: '16'
-        distribution: 'adopt'
+        java-version: ${{ matrix.Java }}
+        distribution: 'zulu'
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: Build with Gradle
@@ -26,4 +28,4 @@ jobs:
       with:
         name: pull-request-build
         path: build/libs/
-    
+