android readme: de-dupe "qml_gui" requirements

follow-up https://github.com/spesmilo/electrum/pull/8881

contrib/android/Readme.md

@@ -97,7 +97,7 @@ adb logcat | grep -F "`adb shell ps | grep org.electrum.electrum | cut -c14-19`"
 ### The Qml GUI can be run directly on Linux Desktop. How?
 Install requirements:
 ```
-python3 -m pip install "pyqt6==6.5.2" "Pillow>=8.4"
+python3 -m pip install ".[qml_gui]"
 ```
 
 Run electrum with the `-g` switch: `electrum -g qml`

setup.py

@@ -45,7 +45,7 @@ extras_require = {
     'gui': ['pyqt5'],
     'crypto': ['cryptography>=2.6'],
     'tests': ['pycryptodomex>=3.7', 'cryptography>=2.6', 'pyaes>=0.1a1'],
-    'qml_gui': ['pyqt6', 'Pillow==8.4.0']
+    'qml_gui': ['pyqt6', 'Pillow>=8.4.0']
 }
 # 'full' extra that tries to grab everything an enduser would need (except for libsecp256k1...)
 extras_require['full'] = [pkg for sublist in