doc: Add missing fedora dependency

[davidgumberg]

Without the qt5-quickcontrols package, this builds on fedora 40 but fails to run:

$ ./configure --with-qml
# [...]
Options used to compile and link:
  with gui / qt   = yes
    with qml      = yes
    with qr       = yes
$ ./src/qt/bitcoin-qt
QSocketNotifier: Can only be used with threads started with QThread
QQmlApplicationEngine failed to load component
qrc:/qml/pages/main.qml:68:9: Type OnboardingWizard unavailable
qrc:/qml/pages/onboarding/OnboardingWizard.qml:38:9: Type OnboardingStorageLocation unavailable
qrc:/qml/pages/onboarding/OnboardingStorageLocation.qml:26:17: Type StorageLocations unavailable
qrc:/qml/components/StorageLocations.qml:8:1: module "QtQuick.Dialogs" is not installed