Bump phpunit/php-code-coverage from 9.2.0 to 9.2.1

Bumps [phpunit/php-code-coverage](https://github.com/sebastianbergmann/php-code-coverage) from 9.2.0 to 9.2.1.
- [Release notes](https://github.com/sebastianbergmann/php-code-coverage/releases)
- [Changelog](https://github.com/sebastianbergmann/php-code-coverage/blob/master/ChangeLog.md)
- [Commits](sebastianbergmann/php-code-coverage@9.2.0...9.2.1)

Signed-off-by: dependabot-preview[bot] <[email protected]>