App: fixes #10460: App::PropertyPythonObject is not saving data

Since Py3.11 the methods names __setstate__ and __getstate__ conflict with the method names added to the object class.
Thus rename them to 'loads' and 'dumps'

src/Mod/PartDesign/InvoluteGearFeature.py

@@ -163,10 +163,10 @@ class _ViewProviderInvoluteGear:
         FreeCADGui.Control.closeDialog()
         return
 
-    def __getstate__(self):
+    def dumps(self):
         return None
 
-    def __setstate__(self,state):
+    def loads(self,state):
         return None
 
 

src/Mod/PartDesign/SprocketFeature.py

@@ -172,10 +172,10 @@ class ViewProviderSprocket:
         FreeCADGui.Control.closeDialog()
         return
 
-    def __getstate__(self):
+    def dumps(self):
         return None
 
-    def __setstate__(self,state):
+    def loads(self,state):
         return None