Hey there! I am getting the exact same problem. Did you find a solution or it’s still the same?
Edit: This solved my problem.
<Configuration xmlns="https://www.unrealengine.com/BuildConfiguration">
<ProjectFileGenerator>
<Format>VisualStudio2019</Format>
</ProjectFileGenerator>
<BuildConfiguration>
<MaxParallelActions>12</MaxParallelActions>
</BuildConfiguration>
</Configuration>