benchmark: update the number of iteration on util/inspect.js

[kylo5aby]

Compare to v18.x and 22.x, in the benchmark for util.inspect,
when obj is Date, as n increases,
the difference in benchmark results gradually grows larger,
possibly also due to the influence of V8 JIT.

n = [2e4]: confidence improvement accuracy (*) (**) (***) util/inspect.js option='colors' method='Date' n=20000 *** -21.01 % ±1.95% ±2.60% ±3.39% util/inspect.js option='none' method='Date' n=20000 *** -24.24 % ±1.64% ±2.19% ±2.86% util/inspect.js option='showHidden' method='Date' n=20000 *** -21.55 % ±1.32% ±1.76% ±2.30% n = [4e4]: confidence improvement accuracy (*) (**) (***) util/inspect.js option='colors' method='Date' n=40000 *** -25.63 % ±1.88% ±2.50% ±3.26% util/inspect.js option='none' method='Date' n=40000 *** -29.94 % ±1.20% ±1.60% ±2.09% util/inspect.js option='showHidden' method='Date' n=40000 *** -23.07 % ±2.99% ±4.01% ±5.30% n = [6e4]: confidence improvement accuracy (*) (**) (***) util/inspect.js option='colors' method='Date' n=60000 *** -28.01 % ±1.49% ±1.99% ±2.61% util/inspect.js option='none' method='Date' n=60000 *** -32.91 % ±1.53% ±2.05% ±2.71% util/inspect.js option='showHidden' method='Date' n=60000 *** -27.59 % ±2.30% ±3.07% ±4.01% n = [8e4]: confidence improvement accuracy (*) (**) (***) util/inspect.js option='colors' method='Date' n=80000 *** -31.34 % ±1.55% ±2.07% ±2.70% util/inspect.js option='none' method='Date' n=80000 *** -32.49 % ±1.48% ±1.98% ±2.59% util/inspect.js option='showHidden' method='Date' n=80000 *** -28.80 % ±1.76% ±2.34% ±3.05% n = [1e5]: confidence improvement accuracy (*) (**) (***) util/inspect.js option='colors' method='Date' n=100000 *** -30.87 % ±2.19% ±2.92% ±3.80% util/inspect.js option='none' method='Date' n=100000 *** -33.26 % ±1.79% ±2.39% ±3.12% util/inspect.js option='showHidden' method='Date' n=100000 *** -28.31 % ±2.07% ±2.75% ±3.58% n = [12e4]: confidence improvement accuracy (*) (**) (***) util/inspect.js option='colors' method='Date' n=120000 *** -31.74 % ±1.84% ±2.45% ±3.21% util/inspect.js option='none' method='Date' n=120000 *** -32.62 % ±1.30% ±1.73% ±2.26% util/inspect.js option='showHidden' method='Date' n=120000 *** -30.19 % ±1.89% ±2.51% ±3.27% n = [14e4]: confidence improvement accuracy (*) (**) (***) util/inspect.js option='colors' method='Date' n=140000 *** -29.44 % ±1.78% ±2.37% ±3.08% util/inspect.js option='none' method='Date' n=140000 *** -34.54 % ±1.45% ±1.94% ±2.57% util/inspect.js option='showHidden' method='Date' n=140000 *** -29.27 % ±2.12% ±2.83% ±3.68%

Refs: #50571

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/55702/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/55817/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/55929/

[aduh95]

Landed in cdb6519