feat: update python to 3.10+

Author: vinitkumar

djangocms_frontend/component_base.py

@@ -212,11 +212,11 @@ def get_registration(cls) -> tuple[type, type, list[type]]:
         )
 
     @classproperty
-    def _component_meta(cls) -> typing.Optional[type]:
+    def _component_meta(cls) -> type | None:
         return getattr(cls, "Meta", None)
 
     @classmethod
-    def _generate_fieldset(cls) -> list[tuple[typing.Optional[str], dict]]:
+    def _generate_fieldset(cls) -> list[tuple[str | None, dict]]:
         return [(None, {"fields": cls.declared_fields.keys()})]
 
     def get_short_description(self) -> str:

djangocms_frontend/templatetags/frontend.py

@@ -156,7 +156,7 @@ def render_tag(self, context, slot_name, nodelist):
 
 
 class DummyPlugin:
-    def __init__(self, nodelist, plugin_type, slot_name: typing.Optional[str] = None) -> "DummyPlugin":
+    def __init__(self, nodelist, plugin_type, slot_name: str | None = None) -> "DummyPlugin":
         self.nodelist = nodelist
         self.plugin_type = (f"{plugin_type}{slot_name.capitalize()}Plugin") if slot_name else "DummyPlugin"
         if slot_name is None: