Update dependency phpstan/phpstan to v0.12.77

This MR contains the following updates:

Package	Type	Update	Change
phpstan/phpstan	require-dev	patch	0.12.76 -> 0.12.77

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Release Notes

phpstan/phpstan

v0.12.77

Compare Source

Improvements 🔧

• Check continue/break outside of loop and switch (level 0) (phpstan/phpstan-src@df5c98d), #​3588, #​794

Bugfixes 🐛

• Fix result cache for ever-changing Git commit in vendor/composer/installed.php (phpstan/phpstan-src@6367eb6), #​4542
• Avoid false-positive "Offset does not exist" on isset() (#​452), thanks @​VincentLanglet!
• Fix function signatures with multiple variants on PHP 8 (#​453), #​4538, #​4530
• CallStaticMethodsRule - fix case with non-object class-string (phpstan/phpstan-src@ec2ef2a), #​4550
• Fixed inferring from nested generic class-string<T> (phpstan/phpstan-src@a7a46b1), #​4552, #​4249

Function signature fixes 🤖

• Fixed return type of simplexml_import_dom (phpstan/phpstan-src@270d507), #​4536
• Redis::auth() method also accepts array (#​449), thanks @​mvorisek!
• proc_get_status() - array shape for PHP 8 (phpstan/phpstan-src@f9c5714)

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