pygments: Fix return type of pygments.lexers.guess_lexer_for_filename (#13515)

Author: jelle-openai

stubs/Pygments/pygments/lexers/__init__.pyi

@@ -12,7 +12,7 @@ def load_lexer_from_file(filename: FileDescriptorOrPath, lexername: str = "Custo
 def find_lexer_class_for_filename(_fn: StrPath, code: str | bytes | None = None) -> LexerMeta | None: ...
 def get_lexer_for_filename(_fn: StrPath, code: str | bytes | None = None, **options: Any) -> Lexer: ...
 def get_lexer_for_mimetype(_mime: str, **options: Any) -> Lexer: ...
-def guess_lexer_for_filename(_fn: StrPath, _text: str, **options: Any) -> LexerMeta: ...
+def guess_lexer_for_filename(_fn: StrPath, _text: str, **options: Any) -> Lexer: ...
 def guess_lexer(_text: str | bytes, **options: Any) -> Lexer: ...
 
 # Having every lexer class here doesn't seem to be worth it