Fix issues with owner check

scripts/check/owner.py

@@ -14,7 +14,7 @@ async def check():
     event = get_event()
     actor = event["pull_request"]["user"]["login"]
 
-    if repo.split("/")[0] == actor:
+    if repo.split("/")[0].lower() == actor.lower():
         print(f"'{actor}' is the owner of '{repo}'")
         return
 
@@ -37,7 +37,7 @@ async def check():
                 exit(f"::error::'{actor}' is not a contributor to '{repo}'")
 
             if [x["contributions"] for x in _sorted if x["login"] == actor].pop() > (
-                _top / 2
+                _top / 3
             ):
                 print(f"'{actor}' is a major contributor to '{repo}'")
                 return