fix(ci): benchmark-e2e params dir

[jonathanpwang]

add --kzg-params-dir to benchmark cli args to specify the kzg trusted setup directory.

workflow: https://github.com/openvm-org/openvm/actions/runs/12645324202/job/35234301358

[github-actions]

group	app.proof_time_ms	app.cycles	app.cells_used	leaf.proof_time_ms	leaf.cycles	leaf.cells_used
verify_fibair	(+19 [+1.3%]) 1,512	195,058	8,025,922	-	-	-
fibonacci_program	(-26 [-0.4%]) 6,122	1,500,137	51,505,102	-	-	-
regex_program	(-50 [-0.3%]) 19,513	4,190,904	165,028,173	-	-	-
ecrecover_program	(-35 [-1.3%]) 2,586	285,169	15,074,875	-	-	-

Commit: 0b93d59

Benchmark Workflow