feat: support `Object.seal` and `Object.preventExtensions` (#213) #636

Job	Run time
formating	13s
validity	50s
publish-ability	0s
fuzzing_parser (module_roundtrip_naive)	19s
clippy	22s
fuzzing_checker (check_project_naive)	1m 36s
fuzzing_parser (module_roundtrip_structured)	15s
extras	2m 49s
tests	51s
	7m 15s

Provide feedback