Reorganising build.gradle for CUDA 12

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

.gitea/workflows/build-windows.yaml

@@ -14,12 +14,16 @@ jobs:
     #container:
     defaults:
       run:
-        shell: powershell
+        shell: msys2 {0}
 
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v3
-
+      - uses: actions/checkout@v3
+      - uses: msys2/setup-msys2@v2
+        with:
+            msystem: UCRT64
+            update: true
+            install: git tar gzip mingw-w64-ucrt-x86_64-gcc
 
      # - run: Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy Unrestricted
       - name: Check for CUDA