Build(deps-dev): Bump brianium/paratest from 7.14.2 to 7.15.0 (#2647)

Bumps [brianium/paratest](https://github.com/paratestphp/paratest) from 7.14.2 to 7.15.0.
- [Release notes](https://github.com/paratestphp/paratest/releases)
- [Commits](paratestphp/paratest@v7.14.2...v7.15.0)

---
updated-dependencies:
- dependency-name: brianium/paratest
  dependency-version: 7.15.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]