Fix several new-in-3.11 stubtest errors (#7973)

tests/stubtest_allowlists/py311.txt

@@ -14,9 +14,7 @@ _csv.Reader
 _csv.Writer
 _operator.attrgetter.__vectorcalloffset__
 _operator.itemgetter.__vectorcalloffset__
-argparse._AppendConstAction.__init__
 argparse._MutuallyExclusiveGroup.add_mutually_exclusive_group
-argparse._StoreConstAction.__init__
 asynchat.__warningregistry__  # Removal planned for 3.12, can add if someone needs this
 asyncio.sslproto.AppProtocolState
 asyncio.sslproto.SSLAgainErrors
@@ -39,17 +37,13 @@ distutils.dist.DistributionMetadata.set_platforms
 distutils.util.get_host_platform
 enum.Enum.__init__
 enum.Enum._generate_next_value_
-fractions.Fraction.__int__
 fractions.Fraction.__new__  # overload is too complicated for stubtest to resolve
 ftplib.FTP.trust_server_pasv_ipv4_address
 functools.partial.__vectorcalloffset__
-importlib.resources.Resource
 ipaddress.IPv4Interface.hostmask
 ipaddress.IPv6Interface.hostmask
 ipaddress._BaseNetwork.broadcast_address
 ipaddress._BaseNetwork.hostmask
-logging.getLevelNamesMapping
-logging.handlers.SysLogHandler.createSocket
 multiprocessing.managers.SharedMemoryServer.create
 multiprocessing.managers.SharedMemoryServer.list_segments
 multiprocessing.managers.SharedMemoryServer.public
@@ -65,11 +59,7 @@ platform.uname_result.__new__
 platform.uname_result._fields
 platform.uname_result.processor
 queue.SimpleQueue.__init__
-socketserver.UDPServer.allow_reuse_port
-string.Template.get_identifiers
-string.Template.is_valid
 sys.UnraisableHookArgs  # Not exported from sys
-sys.exception
 tkinter._VersionInfoType.__doc__
 typing.ForwardRef._evaluate
 typing.NewType.__call__
@@ -77,11 +67,7 @@ typing.NewType.__mro_entries__
 typing.ParamSpec.__typing_subst__
 typing.TypeVar.__typing_subst__
 typing.TypeVarTuple.__typing_subst__
-unittest.TestCase._addSkip
-unittest.case.TestCase._addSkip
-unittest.doModuleCleanups
 weakref.WeakValueDictionary.update
-xmlrpc.server.SimpleXMLRPCRequestHandler.rpc_paths
 
 unittest.IsolatedAsyncioTestCase.enterAsyncContext
 unittest.TestCase.enterClassContext