Correct English language mistake dynamic_preferences_registry.py (overrided >...

Correct English language mistake dynamic_preferences_registry.py (overrided > overridden; cf https://english.stackexchange.com/questions/75786/overrode-vs-overridden)

api/funkwhale_api/users/dynamic_preferences_registry.py

@@ -37,4 +37,4 @@ class UploadQuota(types.IntPreference):
     name = "upload_quota"
     default = 1000
     verbose_name = "Upload quota"
-    help_text = "Default upload quota applied to each users, in MB. This can be overrided on a per-user basis."
+    help_text = "Default upload quota applied to each users, in MB. This can be overridden on a per-user basis."