The directory and file did not exist in cache. Added them and this
change sets versioning to the nuget file name in cache.
Pick-to: 6.10
Task-number: QTQAINFRA-7264
Task-number: QTQAINFRA-7265
Change-Id: I4cf7ce1b547bd8cd4272a981de6845c06a4d1d79
Reviewed-by: Aku Pietikäinen <aku.pietikainen@qt.io>
Reviewed-by: Tero Heikkinen <tero.heikkinen@qt.io>