SLES 15 SP6 and Opensuse 15.6 seem to need direct configuration
for git and curl to take CA certificates into use. [CI Platforms]
nodejs18:
- Needed for QtWebEngine build done in RTA
- But nodejs18 doesn't yet have a provider
- Therefore using commonly installed nodejs 18.6.0 as it's available
Task-number: QTQAINFRA-6746
Task-number: QTQAINFRA-6745
Change-Id: I73fb2a98a648f56b7330e26811e6d4780c51ab80
Reviewed-by: Heikki Halmet <heikki.halmet@qt.io>