Feature pyside6 migration

Migrate from Pyside 2 to Pyside 6

conda.recipe/meta.yaml

 package:
   name: mseedpeek
-  version: 2023.3.1.0
+  version: 2024.4.0.0
 
 source:
   path: ../
@@ -15,7 +15,7 @@ requirements:
     - pip
   run:
     - python >=3.9
-    - pyside2
+    - pyside6
 
 test:
   source_files: