Update phpstan/phpstan requirement from 1.12.0 to 1.12.1

[dependabot]

Updates the requirements on phpstan/phpstan to permit the latest version.

Release notes

Sourced from phpstan/phpstan's releases.

1.12.1

Bleeding edge 🔪

• Check if required file exists (#3294), #3397, thanks @​Bellangelo!
• Check generics @method @template tags above traits (phpstan/phpstan-src@aadbf62)
• Check @mixin PHPDoc tag above traits (phpstan/phpstan-src@0d0de94)

If you want to see the shape of things to come and adopt bleeding edge features early, you can include this config file in your project's phpstan.neon:

includes:
	- vendor/phpstan/phpstan/conf/bleedingEdge.neon

Of course, there are no backwards compatibility guarantees when you include this file. The behaviour and reported errors can change in minor versions with this file included. Learn more

Improvements 🔧

• Allow dot-prefixed config files (#3354), thanks @​sreichel!
  • Respect dist order over dot order (#3379), thanks @​VincentLanglet!
• Update PhpStorm stubs + refactor WithoutSideEffectsRule classes (#3377), thanks @​VincentLanglet!
• TypeSpecifier: Narrow (bool) $expr like $expr != false (#3380), #8881, #7685, #6006, #10528, thanks @​staabm!
• TypeSpecifier: Narrow (string) $expr like $expr != false (#3387), thanks @​staabm!
• TypeSpecifier: Narrow (int) $expr like $expr != false (#3384), thanks @​staabm!
• TypeSpecifier: Narrow (float) $expr like $expr != false (#3391), thanks @​staabm!
• Add missing rule to StubValidator (phpstan/phpstan-src@085fcf4)
• Support @mixin above traits (phpstan/phpstan-src@f5e2e32)

Bugfixes 🐛

• Fix array_filter with callback optional persistance (#3366), #11570, thanks @​robotomarvin!
• RegexArrayShapeMatcher - infer constant string types in alternations (#3369), #11222, thanks @​staabm!
• RegexArrayShapeMatcher - improve type inference in alternations (#3375), thanks @​staabm!
• Fix error on offset assignment to specialized strings (#3365), #11572, thanks @​staabm!
• Narrow string on strlen() == and === comparison with integer range (#3342), #11548, thanks @​staabm!
• Fix get_debug_type produces wrong type for anonymous classes with parent (#3374), #11562, thanks @​patrickkusebauch!
• Fix preserving list when setting union offset type to a ConstantArrayTypeBuilder (#3382), thanks @​VincentLanglet!
• Fix preg_replace() return type (#3338), #11547, thanks @​staabm!
• Detect function variadic-ness anywhere deep in the declaration file (#3370), #11559, #4753, thanks @​staabm!
• Add DateTimeSubMethodThrowTypeExtension (#3378), #11503, thanks @​VincentLanglet!
• Do not report static in PHPDoc tags above traits as an error (phpstan/phpstan-src@777a82a), #11591
• RegexArrayShapeMatcher - Fix alternations containing a $-only case (#3394), #11622, thanks @​staabm!
• Do not report missing implementation abstract method from trait when it's implicitly implemented by enum (phpstan/phpstan-src@c50b71f), #11592
• Fix how well conditional types play with pre-existing @param-out variable after assignment (phpstan/phpstan-src@5892e8d), #11580, #6642

... (truncated)

Commits

• d8ed7ff PHPStan 1.12.1
• 5892e8d Updated PHPStan to commit 5892e8debfbe2f44306e6707c457665784b7dacd
• 9e61f32 Update errors identifiers
• 5909fb2 Updated PHPStan to commit 5909fb2dc78cbee46927c2cb23f7491dfef34165
• 2867030 Update errors identifiers
• c50b71f Updated PHPStan to commit c50b71fd961e9009419b8fddac835b15696f4ff5
• 0f026c5 Update errors identifiers
• f5e2e32 Updated PHPStan to commit f5e2e32932644d61b3745e3b0f2c0910f722a86d
• 058e74f Updated PHPStan to commit 058e74f2b27e8f58669f7fb115741d6b27c50c80
• 5aeb128 Update errors identifiers
• Additional commits viewable in compare view

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