Add Red Hat 9.4 with non-blocking tests in CI

RHEL-9.4 will be run in parallel with RHEL-9.2 with insignificant tests
until RHEL-9.4 is confirmed stable, then it will replace RHEL-9.2.
[CI Platforms]

Pick-to: 6.8
Task-number: QTQAINFRA-6362
Change-Id: I92c10a15346e7bd0c0190a8d6a6513cf6143d2a8
Reviewed-by: Simo Fält <simo.falt@qt.io>
Reviewed-by: Tero Heikkinen <tero.heikkinen@qt.io>

coin/pre-provisioning/qtci-linux-RHEL-9.4-x86_64/01-disable-automounting.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# Copyright (C) 2023 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+set -ex
+
+sudo tee -a /etc/dconf/db/local.d/00-media-automount <<"EOF"
+[org/gnome/desktop/media-handling]
+automount=false
+automount-open=false
+EOF
+
+sudo dconf update

coin/pre-provisioning/qtci-linux-RHEL-9.4-x86_64/README_MANUAL_INSTALLATIONS

@@ -0,0 +1,54 @@
+### RHEL 9.4 ###
+Hard Disk: 500G
+Network: CI
+Video Card: Total Video Memory: 64MB
+Boot options/Firmware: BIOS
+Language: English (United States)
+Keyboard: English (US), Norwegian (Windows), Finnish (Windows)
+Time & Date: Etc/Coordinated Universal Time
+Software Selection: Server with GUI
+Installation Destination: Automatic partitioning selected
+Root Passowrd: Set
+Network & Host..: Connected
+KDUMP enabled: Memory Reservation: automatic
+Begin Installation
+Reboot
+# Configure Settings
+ Notifications:
+    * Lock Screen Notifications: OFF
+    * Applications: Set notification off
+    * Do Not Disturb: on
+ Applications:
+    * Disable notifications from all applications
+ Privacy:
+    * Blank Screen Delay: Never
+    * Screen Lock: OFF
+ Power:
+    * Blank screen: Never
+ Displays:
+    * Resolution: 1280 x 800
+ Users:
+    * Automatic login on
+# Add user to sudoers
+Add 'qt ALL=NOPASSWD: ALL' to /etc/sudoers.d/qt
+Add 'GRUB_GFXMODE=1280x800' to /etc/default/grub
+sudo grub2-mkconfig -o /etc/grub2.cfg
+sudo grub2-mkconfig -o /boot/grub2/grub.cfg
+# Add support for virtio driver
+su
+echo "add_drivers+=\" virtio-blk \"" >> /etc/dracut.conf.d/virtio.conf
+dracut -f
+# Do these from Opennebula UI!
+
+# Enable network connection from right upper corner
+This is done when the VM is launched as persistent in OpenNebula.
+# Fetch and run coin-setup
+Download http://coin/coin/binary/linux_amd64/coin-setup
+# run as qt user
+run './coin-setup'
+# Switch to use GNOME Classic user interface
+# GNOME Classic was selected because there's an issue with Starndard (wayland display server). Autotest start failing because terminal session remains in Activities Overview.
+# https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3854
+First execute script ./01-disable-automounting.sh (dconf update crash in GNOME Classic)
+logout -> Select user (without it the drop down menu won't appear) -> switch to 'GNOME Classic' from drop down menu in login screen
+Reboot