ci: ensure UnlockerStub output directory exists

Author: emako

.github/workflows/library.nuget.yml

@@ -25,5 +25,9 @@ jobs:
       - name: Restore dependencies
         run: dotnet restore src/UnlockerPatch/UnlockerPatch.csproj
 
+      - name: Ensure UnlockerStub output path exists
+        run: |
+          if not exist "src\UnlockerStub\x64\Release" mkdir "src\UnlockerStub\x64\Release"
+
       - name: Build solution
         run: msbuild src/UnlockerPatch/UnlockerPatch.csproj /p:Configuration=Release /p:Platform=x64