rhai: bench regression 13.0 vs 14.1

before -> 13.0 after -> 14.1

 name                                  before ns/iter  after ns/iter  diff ns/iter  diff %  speedup 
 b_benchmark_abac_model                6,408           9,470                 3,062  47.78%   x 0.68 
 b_benchmark_basic_model               7,201           9,421                 2,220  30.83%   x 0.76 
 b_benchmark_key_match                 25,328          31,897                6,569  25.94%   x 0.79 
 b_benchmark_priority_model            7,776           12,074                4,298  55.27%   x 0.64 
 b_benchmark_raw                       7               8                         1  14.29%   x 0.88 
 b_benchmark_rbac_model                18,992          29,028               10,036  52.84%   x 0.65 
 b_benchmark_rbac_model_large          56,901,480      83,206,148       26,304,668  46.23%   x 0.68 
 b_benchmark_rbac_model_medium         5,514,162       8,043,472         2,529,310  45.87%   x 0.69 
 b_benchmark_rbac_model_small          562,147         816,090             253,943  45.17%   x 0.69 
 b_benchmark_rbac_model_with_domains   11,124          20,845                9,721  87.39%   x 0.53 
 b_benchmark_rbac_with_deny            33,161          47,960               14,799  44.63%   x 0.69 
 b_benchmark_rbac_with_resource_roles  8,789           12,374                3,585  40.79%   x 0.71