How can I use this library with Qt 6.8.0 on android?

[0xFEEDC0DE64]

The cmake step already fails when used in my project:

16:23:25: Führe Schritte für Projekt <redacted> aus...
16:23:25: Starte: "/usr/bin/cmake" --build <redacted>/build/Android_Qt_6_8_0_android_arm64_v8a_Clang_arm64_v8a-Debug --target all
[0/1 0.0/sec] Re-running CMake...
-- Configuring incomplete, errors occurred!
FAILED: build.ninja 
/usr/bin/cmake --regenerate-during-build -S<redacted> -B<redacted>/build/Android_Qt_6_8_0_android_arm64_v8a_Clang_arm64_v8a-Debug
CMake Deprecation Warning at 3rdparty/qmsgpack/CMakeLists.txt:8 (cmake_minimum_required):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


Qt5 not found, searching for Qt4
CMake Error at /usr/share/cmake/Modules/FindQt4.cmake:1314 (message):
  Found unsuitable Qt version "6.8.0" from
  /home/feedc0de/Qt/6.8.0/android_arm64_v8a/bin/qmake, this code requires Qt
  4.x
Call Stack (most recent call first):
  3rdparty/qmsgpack/CMakeLists.txt:39 (find_package)


ninja: error: rebuilding 'build.ninja': subcommand failed
16:23:25: Der Prozess "/usr/bin/cmake" wurde mit dem Rückgabewert 1 beendet.
Fehler beim Erstellen/Deployment des Projekts <redacted> (Kit: Android Qt 6.8.0 (android_arm64_v8a) Clang arm64-v8a)
Bei der Ausführung von Schritt "Erstellen"
16:23:25: Verstrichene Zeit: 00:00.