Update dependency phpstan/phpstan to v1.12.13

This MR contains the following updates:

Package	Type	Update	Change
phpstan/phpstan	require-dev	patch	1.12.12 -> 1.12.13

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Release Notes

phpstan/phpstan (phpstan/phpstan)

v1.12.13

Compare Source

Improvements 🔧

• get_defined_vars() return type contains known variables (#​3624), #​11948, #​11740, thanks @​MartinMystikJonas!
• Lazier return in UnionType->isSuperTypeOfWithReason() (#​3692, #​3713), thanks @​staabm!
• 5x Faster IntersectionType->getEnumCases() (#​3695), thanks @​staabm!
• MixedType::toArrayKey() returns BenevolentUnionType (#​3696)
• Optimization - do not enter anonymous classes during loop analysis (https://github.com/phpstan/phpstan-src/commit/621e16829817e412f948420f24640971ee84e667)
• Introduce ClassAsClassConstantRule (#​3697), #​10859, thanks @​paulbalandan!
• 10% faster FunctionCallParametersCheck (#​3734), thanks @​staabm!
• Faster MutatingScope::getNodeKey() (#​3736), thanks @​staabm!

Bugfixes 🐛

• Fix iterator_to_array return type with generators (#​3652), thanks @​paulbalandan!
• Array map on multiple elements is a list (#​3716), #​12223, thanks @​VincentLanglet!
• RegexArrayShapeMatcher: fix regex wildcard omitted from type (#​3721), #​12211, thanks @​staabm!
• RegexArrayShapeMatcher: fix regex alternatives in capture group are concatenated (#​3722), #​12210, #​12173, thanks @​staabm!
• RegexArrayShapeMatcher: Don't narrow 'J' modifier (#​3723), #​12126, thanks @​staabm!
• Add support for internal classes that overload offset access (#​3725), #​12235, thanks @​Girgias!
• Support # comments in regex with x modifier (#​3735, #​3739), #​12242, thanks @​staabm!

Function signature fixes 🤖

• More precise reflection classes return types (#​3731), thanks @​staabm!
• Fix DOMDocument::create*() return types (#​3737), #​12278, thanks @​staabm!

Internals 🔍

• Add regression test for array self-append (#​3715), #​6948, thanks @​herndlm!
• Use native PHPDocs for Rule and RuleTestCase (#​3698), thanks @​paulbalandan!
• Use native PHPDocs wherever possible (#​3720), thanks @​paulbalandan!
• Added regression test (#​3722), #​12210, #​12173, thanks @​staabm!

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