build(deps-dev): bump pestphp/pest from 4.7.2 to 4.7.3 (#614)

Bumps [pestphp/pest](https://github.com/pestphp/pest) from 4.7.2 to 4.7.3.
- [Release notes](https://github.com/pestphp/pest/releases)
- [Changelog](https://github.com/pestphp/pest/blob/4.x/RELEASE.md)
- [Commits](pestphp/pest@v4.7.2...v4.7.3)

---
updated-dependencies:
- dependency-name: pestphp/pest
  dependency-version: 4.7.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]