chore: fix fibonacci runtime bench

[jonathanpwang]

This wasn't updated after some changes because it's not run in CI.

[github-actions]

Benchmarks

group	app_log_blowup	app_total_cells_used	app_total_cycles	app_total_proof_time_ms	leaf_log_blowup	leaf_total_cells_used	leaf_total_cycles	leaf_total_proof_time_ms	max_segment_length	instance	alloc
ecrecover_program	2	10,251,804	195,066	(+44.0 [+2.3%]) 1,927.0	-	-	-	-	1048476	64cpu-linux-arm64	mimalloc
fibonacci_program	2	51,615,800	3,000,274	(-20.0 [-0.4%]) 5,512.0	-	-	-	-	1048476	64cpu-linux-arm64	mimalloc
regex_program	2	238,890,449	8,381,808	(-454.0 [-2.6%]) 17,209.0	-	-	-	-	1048476	64cpu-linux-arm64	mimalloc
verify_fibair	2	(+930 [+0.0%]) 48,128,077	(+158 [+0.0%]) 397,322	(-7.0 [-0.2%]) 3,167.0	-	-	-	-	1048476	64cpu-linux-arm64	mimalloc

Commit: 074ff1f

Benchmark Workflow