Updating PyQt5 to 5.15.11 (#1280)

* Updating PyQt5 to 5.15.11
* update pytest-qt

Author: ksbeattie

requirements-dev.txt

@@ -17,7 +17,7 @@ black==24.3.0
 addheader==0.3.2
 
 # pytest-qt-extras
-pytest-qt==4.2.*
+pytest-qt
 python-slugify
 oyaml
 hypothesis 

setup.py

@@ -102,7 +102,7 @@
         "numpy",
         "pandas",
         "psutil",
-        "PyQt5==5.15.10",
+        "PyQt5==5.15.11",
         "pywin32==306; sys_platform == 'win32'",
         "requests",
         "scipy",