Fuzz

Fuzz #318

Job	Run time
fuzz (compile_descriptor)	4m 39s
fuzz (compile_taproot)	4m 55s
fuzz (parse_descriptor)	4m 32s
fuzz (parse_descriptor_priv)	4m 21s
fuzz (parse_descriptor_secret)	4m 46s
fuzz (regression_descriptor_parse)	4m 54s
fuzz (roundtrip_concrete)	4m 34s
fuzz (roundtrip_descriptor)	4m 42s
fuzz (roundtrip_miniscript_script)	4m 54s
fuzz (roundtrip_miniscript_script_tap)	4m 30s
fuzz (roundtrip_miniscript_str)	4m 34s
fuzz (roundtrip_semantic)	4m 28s
verify-execution	0s
	55m 49s

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