Reorganising build.gradle for CUDA 12

Signed-off-by: brian <brian@brutex.de>

.gitea/workflows/demo.yaml

@@ -23,9 +23,18 @@ jobs:
           distribution: 'temurin' # See 'Supported distributions' for available options
           java-version: '11'
 
+      - name: Install CMake and Ninja
+        uses: lukka/get-cmake@latest
+        with:
+          useLocalCache: true
+          useCloudCache: false
+          cmakeVersion: "~3.27.0"
+          ninjaVersion: latest
+
       - name: Execute Gradle build
         run: |
           sh ./gradlew build \
+          --stacktrace \
           -Pmavenuser=${{ secrets.MAVENUSER }} \
           -Pmavenpass=${{ secrets.MAVENPASS }} \
           -PossrhUsername=${{ secrets.OSSRHUSERNAME }} \