Add missing default value

Author: bangseongbeom

urlpattern.pyi

@@ -42,7 +42,7 @@ class URLPattern:
     def __init__(self, input: str, options: None) -> None: ...
     @overload
     def __init__(
-        self, input: URLPatternInit, options: URLPatternOptions = {}
+        self, input: URLPatternInit = {}, options: URLPatternOptions = {}
     ) -> None: ...
     @overload
     def __init__(self, input: URLPatternInit, options: None) -> None: ...