bench: refactor to use string interpolation in blas/ext/index-of

[rautelaKamal]

Ref: #8647.

Description

What is the purpose of this pull request?

This pull request:

• Refactors the JavaScript benchmarks in @stdlib/blas/ext/index-of to use string interpolation (@stdlib/string/format) for generating benchmark names instead of string concatenation, as outlined in the tracking issue #8647.

Related Issues

Does this pull request have any related issues?

This pull request has the following related issues:

• #8647

Questions

Any questions for reviewers of this pull request?

No.

Other

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No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
blas/ext/index-of	$\color{green}625/625$ $\color{green}+100.00%$	$\color{green}76/76$ $\color{green}+100.00%$	$\color{green}2/2$ $\color{green}+100.00%$	$\color{green}625/625$ $\color{green}+100.00%$

The above coverage report was generated for the changes in this PR.

[stdlib-bot]

PR Commit Message

bench: refactor to use string interpolation in blas/ext/index-of

PR-URL: https://github.com/stdlib-js/stdlib/pull/10825
Ref: https://github.com/stdlib-js/stdlib/issues/8647

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Please review the above commit message and make any necessary adjustments.

⚠️ Action Required: This PR references tracking issues. Please update the PR description to replace any "Closes", "Fixes", or "Resolves" keywords with "Ref" when referencing these issues.