chore(deps): update dependency phpstan/phpstan to ^2.0.4

[hywax-assistant]

This PR contains the following updates:

Package	Type	Update	Change
phpstan/phpstan	require-dev	patch	^2.0.3 -> ^2.0.4

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Release Notes

phpstan/phpstan (phpstan/phpstan)

v2.0.4

Compare Source

This release includes improvements and fixes from PHPStan 1.12.13.

Improvements 🔧

• Added strictRulesInstalled parameter (#​3729), thanks @​staabm!
  • Will be used for https://github.com/phpstan/phpstan-phpunit/pull/216

Bugfixes 🐛

• Skip param castable to X on non-arrays (#​3694), #​12146, thanks @​schlndh!
• Remove incorrect CURLOPT_ACCEPT_ENCODING alias (#​3703), #​12171, thanks @​xPaw!
• Fix htmlspecialchars and htmlentities being non-empty-string without ENT_SUBSTITUTE flag (#​3710), #​12021, thanks @​jack-worman!

Function signature fixes 🤖

• Fix fgetcsv return type; never returns null (#​3712), thanks @​janedbal!
• Fix apcu_cache_info and apcu_sma_info signatures (#​3726, phpstan/phpstan-src@e7e8093), thanks @​vindic!

Internals 🔍

• Workaround for bug in slevomat/coding-standard TypeNameMatchesFileName (phpstan/phpstan-src@7b4c9af)
• Remove incorrect doc leftover from 1.x (#​3732), thanks @​AJenbo!

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