Added extra diagnostics to test runner

.github/workflows/main.yml

@@ -52,4 +52,9 @@ jobs:
     - name: Build
       run: dotnet build LLamaSharp.sln -c ${{ matrix.config }} --no-restore
     - name: Test
-      run: dotnet test LLamaSharp.sln -c ${{ matrix.config }} -l "console;verbosity=detailed"
+      run: dotnet test LLamaSharp.sln -c ${{ matrix.config }} -l "console;verbosity=detailed" --diag:logs/log.txt
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        path: logs/
+        name: logs