style: use ruff format instead of black, update pre-commit, restrict pyside6 tests (#235)

* style: use ruff format

* fix import

* disallow pyside 6.6.2

* pin in tests too

* pyside6.4 on windows

* fix greedy imports

* double quote

* run sliders last

* try 6.6.1 again

.github/workflows/test_and_deploy.yml

@@ -38,18 +38,19 @@ jobs:
             backend: pyside2
 
         include:
+          # https://bugreports.qt.io/browse/PYSIDE-2627
           - python-version: "3.10"
             platform: macos-latest
-            backend: pyside6
+            backend: "'pyside6!=6.6.2'"
           - python-version: "3.11"
             platform: macos-latest
-            backend: pyside6
+            backend: "'pyside6!=6.6.2'"          
           - python-version: "3.10"
             platform: windows-latest
-            backend: pyside6
+            backend: "'pyside6!=6.6.2'"
           - python-version: "3.11"
             platform: windows-latest
-            backend: pyside6
+            backend: "'pyside6!=6.6.2'"
 
           - python-version: "3.12"
             platform: macos-latest