pin to wheels for windows pyqt5

Author: tlambert03

pyproject.toml

@@ -47,7 +47,10 @@ dependencies = [
 # extras
 # https://peps.python.org/pep-0621/#dependencies-optional-dependencies
 [project.optional-dependencies]
-pyqt5 = ["pyqt5>=5.12.0"]
+pyqt5 = [
+  "pyqt5 >=5.15.0,<5.15.11 ; sys_platform == 'win32'",
+  "pyqt5 >=5.15.11 ; sys_platform != 'win32'",
+]
 pyqt6 = ["pyqt6>=6.4.0"]
 pyside2 = ["pyside2>=5.15"]
 pyside6 = ["pyside6>=6.4.0"]