MacOS: use the Qt6 (sync with Orange3)

Author: markotoplak

specs/macos/requirements-arm64.txt

@@ -15,10 +15,10 @@ keyring~=23.0
 keyrings.alt~=4.0
 AnyQt~=0.2.0
 
-PyQt6~=6.6.1
-PyQt6-Qt6~=6.6.3
-PyQt6-WebEngine~=6.6.0
-PyQt6-WebEngine-Qt6~=6.6.3
+PyQt6~=6.8.1
+PyQt6-Qt6~=6.8.1
+PyQt6-WebEngine~=6.8.0
+PyQt6-WebEngine-Qt6~=6.8.1
 
 docutils~=0.18.0
 pip~=23.3.1

specs/macos/requirements.txt

@@ -15,8 +15,11 @@ keyring~=23.0
 keyrings.alt~=4.0
 AnyQt~=0.2.0
 
-PyQt5~=5.15.4
-pyqtwebengine~=5.15.4
+# oldest supported macos Big Sur
+PyQt6~=6.5.2
+PyQt6-Qt6~=6.5.2
+PyQt6-WebEngine~=6.5.0
+PyQt6-WebEngine-Qt6~=6.5.2
 
 docutils~=0.18.0
 pip~=23.3.1
@@ -32,6 +35,3 @@ catboost~=1.1.1  # catboost 1.2 wheels do not support macos <11
 
 h5py
 opusFC>=1.3.0
-
-# use the same webengine as Orange 3.36.2 release (newer .12 does not work on a Big sur Mac)
-PyQtWebEngine-Qt5==5.15.2