chore(deps): update dependency phpunit/phpunit to v9.6.21

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
phpunit/phpunit (source)	9.5.21 -> 9.6.21

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Release Notes

sebastianbergmann/phpunit (phpunit/phpunit)

### [`v9.6.21`](https://redirect.github.com/sebastianbergmann/phpunit/releases/tag/9.6.21): PHPUnit 9.6.21 [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.20...9.6.21) ##### Changed - [#​5956](https://redirect.github.com/sebastianbergmann/phpunit/issues/5956): Deprecation of the `E_STRICT` constant in PHP 8.4 - Removed `.phpstorm.meta.php` file as methods such as `TestCase::createStub()` use generics / template types for their return types and PhpStorm, for example, uses that information *** [How to install or update PHPUnit](https://docs.phpunit.de/en/9.6/installation.html) ### [`v9.6.20`](https://redirect.github.com/sebastianbergmann/phpunit/releases/tag/9.6.20): PHPUnit 9.6.20 [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.19...9.6.20) ##### Changed - Updated dependencies (so that users that install using Composer's `--prefer-lowest` CLI option also get recent versions) *** [How to install or update PHPUnit](https://docs.phpunit.de/en/9.6/installation.html) ### [`v9.6.19`](https://redirect.github.com/sebastianbergmann/phpunit/releases/tag/9.6.19): PHPUnit 9.6.19 [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.18...9.6.19) ##### Changed - The namespaces of dependencies are now prefixed with `PHPUnitPHAR` instead of just `PHPUnit` for the PHAR distribution of PHPUnit *** [How to install or update PHPUnit](https://docs.phpunit.de/en/9.6/installation.html) ### [`v9.6.18`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.17...9.6.18) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.17...9.6.18) ### [`v9.6.17`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.16...9.6.17) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.16...9.6.17) ### [`v9.6.16`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.15...9.6.16) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.15...9.6.16) ### [`v9.6.15`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.14...9.6.15) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.14...9.6.15) ### [`v9.6.14`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.13...9.6.14) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.13...9.6.14) ### [`v9.6.13`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.12...9.6.13) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.12...9.6.13) ### [`v9.6.12`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.11...9.6.12) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.11...9.6.12) ### [`v9.6.11`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.10...9.6.11) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.10...9.6.11) ### [`v9.6.10`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.9...9.6.10) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.9...9.6.10) ### [`v9.6.9`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.8...9.6.9) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.8...9.6.9) ### [`v9.6.8`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.7...9.6.8) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.7...9.6.8) ### [`v9.6.7`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.6...9.6.7) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.6...9.6.7) ### [`v9.6.6`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.5...9.6.6) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.5...9.6.6) ### [`v9.6.5`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.4...9.6.5) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.4...9.6.5) ### [`v9.6.4`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.3...9.6.4) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.3...9.6.4) ### [`v9.6.3`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.2...9.6.3) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.2...9.6.3) ### [`v9.6.2`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.1...9.6.2) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.1...9.6.2) ### [`v9.6.1`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.0...9.6.1) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.6.0...9.6.1) ### [`v9.6.0`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.28...9.6.0) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.28...9.6.0) ### [`v9.5.28`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.27...9.5.28) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.27...9.5.28) ### [`v9.5.27`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.26...9.5.27) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.26...9.5.27) ### [`v9.5.26`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.25...9.5.26) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.25...9.5.26) ### [`v9.5.25`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.24...9.5.25) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.24...9.5.25) ### [`v9.5.24`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.23...9.5.24) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.23...9.5.24) ### [`v9.5.23`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.22...9.5.23) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.22...9.5.23) ### [`v9.5.22`](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.21...9.5.22) [Compare Source](https://redirect.github.com/sebastianbergmann/phpunit/compare/9.5.21...9.5.22)

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