Fix the installation of dependencies on app creation in Windows environments #322
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Related: #320
WHY are these changes introduced?
Acceptance tests uncovered Yarn installation errors in Windows environments when it tries to concurrently access the global cache.
WHAT is this pull request doing?
I'm adjusting the app creation logic to limit the concurrency to one as recommended here by other Yarn users. Some are experiencing it with newer versions of Yarn too so it seems that the issue is rooted in some core business logic of Yarn.
How to test your changes?
Acceptance tests should pass on Windows