refactor: use b.Loop() to simplify the code

[keeghcet]

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• I have read the coding guide.
• My change requires a documentation update, and I have done it.
• I have added tests to cover my changes.
• I have filled out the description and linked the related issues.

Description

replace for i := range b.N or for range b.N in a benchmark with for b.Loop(), and remove any preceding calls to b.StopTimer, b.StartTimer, and b.ResetTimer.

Supported by Go Team, more info: https://go.dev/blog/testing-b-loop

Open API Spec Version Changes (if applicable)

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[martinconic]

Please fix your commit msg as it is not according to our linter standard.

[keeghcet]

Please fix your commit msg as it is not according to our linter standard.

Oh, Thanks. Please review again.