The FFmpeg building flow has become too different on linux and macos.
Decoupling the logic makes it more simple to follow.
The CR also fixes nits and shellcheck warnings in install-ffmpeg.
Pick-to: 6.8 6.9
Change-Id: I28639d28c7210809e52ff18ce612da52f8754285
Reviewed-by: Jøger Hansegård <joger.hansegard@qt.io>
SLES 15.5 will be added as parallel with SLES 15.4 until
packaging site gives green light to remove the older version.
Upgrade nodejs to commonly used 18.16.0 version
This is following the new CI process to introduce new platforms in
parallel with Insignificant flags in use. Flags removed later after
flakiness has been monitored enough to give green for OS replacing.
Pick-to: 6.6
Task-number: QTQAINFRA-5667
Change-Id: I66d325f0e20f536b8e8b61ce3eb9f1dbc6a9f204
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Heikki Halmet <heikki.halmet@qt.io>
Reviewed-by: Tero Heikkinen <tero.heikkinen@qt.io>
