Bump @types/benchmark from 2.1.1 to 2.1.5

Bumps [@types/benchmark](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/benchmark) from 2.1.1 to 2.1.5.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/benchmark)

---
updated-dependencies:
- dependency-name: "@types/benchmark"
  dependency-version: 2.1.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]