bench: format for string concat

[Om-A-osc]

---

type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:

• task: lint_filenames
  status: passed
• task: lint_editorconfig
  status: passed
• task: lint_markdown
  status: na
• task: lint_package_json
  status: na
• task: lint_repl_help
  status: na
• task: lint_javascript_src
  status: na
• task: lint_javascript_cli
  status: na
• task: lint_javascript_examples
  status: na
• task: lint_javascript_tests
  status: na
• task: lint_javascript_benchmarks
  status: passed
• task: lint_python
  status: na
• task: lint_r
  status: na
• task: lint_c_src
  status: na
• task: lint_c_examples
  status: na
• task: lint_c_benchmarks
  status: na
• task: lint_c_tests_fixtures
  status: na
• task: lint_shell
  status: na
• task: lint_typescript_declarations
  status: passed
• task: lint_typescript_tests
  status: na
• task: lint_license_headers
  status: passed

---

Description

This pull request updates string construction to use the standard format utility for string formatting instead of manual JavaScript string concatenation. This improves readability and maintains consistency with existing stdlib style conventions.

Related Issues

This pull request does not resolve or relate to any existing issues. It follows the standard contribution format for a small refactor.

Questions

No.

Other

No.

Checklist

• Read, understood, and followed the contributing guidelines.

AI Assistance

• Yes
• No

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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/dists/cauchy/pdf	$\color{green}293/293$ $\color{green}+100.00%$	$\color{green}19/19$ $\color{green}+100.00%$	$\color{green}4/4$ $\color{green}+100.00%$	$\color{green}293/293$ $\color{green}+100.00%$

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