ci: build platform x64

Author: emako

.github/workflows/library.nuget.yml

@@ -26,4 +26,4 @@ jobs:
         run: dotnet restore src/UnlockerPatch/UnlockerPatch.csproj
 
       - name: Build solution
-        run: msbuild src/UnlockerPatch/UnlockerPatch.csproj /p:Configuration=Release
+        run: msbuild src/UnlockerPatch/UnlockerPatch.csproj /p:Configuration=Release /p:Platform=x64