Use java 8 as ver nr

Author: a-schild

.github/workflows/build.yaml

@@ -19,7 +19,7 @@ jobs:
     - name: Set up JDK 1.8
       uses: actions/setup-java@v3
       with:
-        java-version: 1.8
+        java-version: 8.0
         distribution: 'adopt'
         architecture: x64
     - name: Build with Maven