Update _parser.py

Author: Fidget-Spinner

Tools/c-analyzer/cpython/_parser.py

@@ -83,6 +83,7 @@ def clean_lines(text):
 Python/generated_cases.c.h
 Python/executor_cases.c.h
 Python/optimizer_cases.c.h
+Python/opcode_targets.c.h
 # XXX: Throws errors if PY_VERSION_HEX is not mocked out
 Modules/clinic/_testclinic_depr.c.h