xml: update for security fix (#11648)

Fixes #11643

stdlib/pyexpat/__init__.pyi

@@ -32,6 +32,8 @@ class XMLParserType:
     def ExternalEntityParserCreate(self, context: str | None, encoding: str = ..., /) -> XMLParserType: ...
     def SetParamEntityParsing(self, flag: int, /) -> int: ...
     def UseForeignDTD(self, flag: bool = True, /) -> None: ...
+    def GetReparseDeferralEnabled(self) -> bool: ...
+    def SetReparseDeferralEnabled(self, enabled: bool, /) -> None: ...
     @property
     def intern(self) -> dict[str, str]: ...
     buffer_size: int

stdlib/xml/etree/ElementTree.pyi

@@ -250,6 +250,7 @@ class XMLPullParser:
     # Second element in the tuple could be `Element`, `tuple[str, str]` or `None`.
     # Use `Any` to avoid false-positive errors.
     def read_events(self) -> Iterator[tuple[str, Any]]: ...
+    def flush(self) -> None: ...
 
 def XML(text: str | ReadableBuffer, parser: XMLParser | None = None) -> Element: ...
 def XMLID(text: str | ReadableBuffer, parser: XMLParser | None = None) -> tuple[Element, dict[str, Element]]: ...
@@ -323,3 +324,4 @@ class XMLParser:
     def __init__(self, *, target: Any = ..., encoding: str | None = ...) -> None: ...
     def close(self) -> Any: ...
     def feed(self, data: str | ReadableBuffer, /) -> None: ...
+    def flush(self) -> None: ...

tests/stubtest_allowlists/py3_common.txt

@@ -704,3 +704,11 @@ typing(_extensions)?\.IO\.__iter__  # See https://github.com/python/typeshed/com
 (tarfile.AbsolutePathError)?
 (tarfile.AbsoluteLinkError)?
 (shutil.unpack_archive)?
+(pyexpat.XMLParserType.GetReparseDeferralEnabled)?
+(pyexpat.XMLParserType.SetReparseDeferralEnabled)?
+(xml.etree.ElementTree.XMLParser.flush)?
+(xml.etree.ElementTree.XMLPullParser.flush)?
+(xml.etree.cElementTree.XMLParser.flush)?
+(xml.etree.cElementTree.XMLPullParser.flush)?
+(xml.parsers.expat.XMLParserType.GetReparseDeferralEnabled)?
+(xml.parsers.expat.XMLParserType.SetReparseDeferralEnabled)?