[Development] Splitting Qt Network out of qtbase (was: QtBase network failures)

[Alexandru Croitor]

> On 26. Jun 2022, at 15:38, Volker Hilsheimer <volker.hilsheimer at qt.io> wrote:
> 
> Whereas making sccache fault tolerant

I proposed a simple approach to get rid of sccache failures here

https://bugreports.qt.io/browse/COIN-740?focusedCommentId=651260&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-651260