Log Message:
py-qt5: updated to 5.15.9

v5.15.9
This is a bug-fix release.

v5.15.8
This is a minor functional release. PyQt3D v5.15.6 has also been released.

Added the missing QLocale.Language.NigerianPidgin member (Qt v5.15.2 and later).
Added the missing QOperatingSystemVersion.MacOSBigSur attribute (Qt v5.15.1 and \ 
later).
Added the missing QThreadPool.contains() method (Qt v5.15.1 and later).
Added the missing QBluetoothDeviceDiscoveryAgent.DiscoveryMethod members.