chore: move guest-macro to test

[jonathanpwang]

This is only for testing, we do not intend the crate for production usage

[github-actions]

group	app.proof_time_ms	app.cycles	app.cells_used	leaf.proof_time_ms	leaf.cycles	leaf.cells_used
verify_fibair	(+3 [+0.1%]) 2,221	513,848	19,377,001	-	-	-
fibonacci_program	(+15 [+0.3%]) 5,323	1,500,095	51,485,080	-	-	-
regex_program	(-81 [-0.5%]) 15,245	1,914,103	165,455,373	-	-	-
ecrecover_program	(-28 [-1.1%]) 2,543	284,567	15,055,723	-	-	-

Commit: 21721ab

Benchmark Workflow