fix: add solution as argument

.github/workflows/dotnet.yaml

@@ -0,0 +1,23 @@
+# This workflow will build a .NET project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-net
+
+name: .NET
+
+on: push
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 8.0.x
+    - name: Restore dependencies
+      run: dotnet restore UnmangedMMU/UnmanagedMMU.sln
+    - name: Build
+      run: dotnet build UnmangedMMU/UnmanagedMMU.sln --no-restore
+    - name: Unit Testing
+      run: dotnet test UnmangedMMU/UnmanagedMMU.sln --no-build --verbosity normal