Add a new global to the ingored list.

Author: ericsnowcurrently

Tools/c-analyzer/cpython/ignored.tsv

@@ -299,6 +299,7 @@ Objects/genobject.c	-	NON_INIT_CORO_MSG	-
 Objects/longobject.c	-	_PyLong_DigitValue	-
 Objects/object.c	-	_Py_SwappedOp	-
 Objects/object.c	-	_Py_abstract_hack	-
+Objects/object.c	-	last_final_reftotal	-
 Objects/object.c	-	static_types	-
 Objects/obmalloc.c	-	_PyMem	-
 Objects/obmalloc.c	-	_PyMem_Debug	-