update solver benchmark options

Author: MaxenceGollier

benchmark/solver_benchmarks_options.jl

@@ -1,7 +1,7 @@
 function solver_benchmark_profile_values()
-  [(:elapsed_time, "CPU Time"), (:neval_obj, "# Objective Evals"), (:neval_grad, "# Gradient Evals"), (:niter, "# Iterations")]
+  [(:elapsed_time, "CPU Time"), (:neval_obj, "# Objective Evals"), (:neval_grad, "# Gradient Evals"), (:iter, "# Iterations")]
 end
 
 function solver_benchmark_table_values()
-  return [(:name, "Name"), (:objective, "f(x)"), (:elapsed_time, "Time"), (:neval_obj, "Obj Evals"), (:neval_grad, "Grad Evals"), (:niter, "Iterations")]
+  return [(:name, "Name"), (:objective, "f(x)"), (:elapsed_time, "Time"), (:neval_obj, "Obj Evals"), (:neval_grad, "Grad Evals"), (:iter, "Iterations")]
 end