fix project location

Author: retailcoder

.github/workflows/dotnet-ci.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Restore dependencies
       run: dotnet restore
     - name: Build
-      run: dotnet build rubberduckvba.Server.csproj --no-restore
+      run: dotnet build rubberduckvba.Server/rubberduckvba.Server.csproj --no-restore
     - name: Test
       run: dotnet test --no-build --verbosity normal