Bump tomllib.TOMLDecodeError to 3.14 (#14019)

stdlib/@tests/stubtest_allowlists/py314.txt

@@ -160,7 +160,6 @@ tarfile.TarFile.zstopen
 threading.Thread.__init__
 threading._RLock.locked
 tkinter.Event.__class_getitem__
-tomllib.TOMLDecodeError.__init__
 turtle.__all__
 turtle.RawTurtle.fill
 turtle.RawTurtle.poly

stdlib/tomllib.pyi

@@ -1,10 +1,26 @@
+import sys
 from _typeshed import SupportsRead
 from collections.abc import Callable
-from typing import Any
+from typing import Any, overload
+from typing_extensions import deprecated
 
 __all__ = ("loads", "load", "TOMLDecodeError")
 
-class TOMLDecodeError(ValueError): ...
+if sys.version_info >= (3, 14):
+    class TOMLDecodeError(ValueError):
+        msg: str
+        doc: str
+        pos: int
+        lineno: int
+        colno: int
+        @overload
+        def __init__(self, msg: str, doc: str, pos: int) -> None: ...
+        @overload
+        @deprecated("Deprecated in Python 3.14; Please set 'msg', 'doc' and 'pos' arguments only.")
+        def __init__(self, msg: str | type = ..., doc: str | type = ..., pos: int | type = ..., *args: Any) -> None: ...
+
+else:
+    class TOMLDecodeError(ValueError): ...
 
 def load(fp: SupportsRead[bytes], /, *, parse_float: Callable[[str], Any] = ...) -> dict[str, Any]: ...
 def loads(s: str, /, *, parse_float: Callable[[str], Any] = ...) -> dict[str, Any]: ...