refactor: rename variable

Author: BryanttV

openedx_authz/api/data.py

@@ -817,8 +817,8 @@ def validate_external_key(cls, external_key: str) -> bool:
             return False
 
         # Enforce explicit org-level separator: 'course-v1:ORG+*'
-        glob_suffix = cls.ID_SEPARATOR + GLOBAL_SCOPE_WILDCARD
-        if not external_key.endswith(glob_suffix):
+        suffix = cls.ID_SEPARATOR + GLOBAL_SCOPE_WILDCARD
+        if not external_key.endswith(suffix):
             return False
 
         org = cls.get_org(external_key)