Use str|None instead of Optional

Author: ellieayla

stubs/datauri/datauri/datauri.pyi

@@ -1,18 +1,16 @@
 from collections.abc import Generator
 from re import Pattern
-from typing import Optional
-
 
 RE_DATA_URI: Pattern[str]  # undocumented
 
 class DataURIError(ValueError): ...
 
 class ParsedDataURI:
-    media_type: Optional[str]
+    media_type: str | None
     data: bytes
     uri: str
 
-    def __init__(self, media_type: Optional[str], data: bytes, uri: str) -> None: ...
+    def __init__(self, media_type: str | None, data: bytes, uri: str) -> None: ...
     def __eq__(self, other: object) -> bool: ...
     def __hash__(self) -> int: ...