Update phpstan/phpstan requirement from 1.11.8 to 1.11.9

[dependabot]

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

Release notes

Sourced from phpstan/phpstan's releases.

1.11.9

Bleeding edge 🔪

• RegularExpressionPatternRule: validate preg_quote'd patterns (#3270), thanks @​staabm!
• No implicit wildcard in FileExcluder (phpstan/phpstan-src@e19e6e5), #10299
• Precise array shape for preg_match_all() $matches (#3256), thanks @​staabm!

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 🔧

• DefaultStubFilesProvider - consider all composerAutoloaderProjectPaths when filtering 3rd party stub files (phpstan/phpstan-src@582a0f8), #11393

Bugfixes 🐛

• RegexArrayShapeMatcher: Fix non-emptiness of leading optional groups (#3267), #11376, thanks @​staabm!
• RegexArrayShapeMatcher: Support resolving of constants in patterns (#3265), #11384, thanks @​staabm!
• RegexExpressionHelper - Support all bracket style delimiters (#3273), thanks @​staabm!
• Regex parsing fixes for newline characters and marker verbs (#3268), #11360, #8948, thanks @​Seldaek!
• RegexArrayShapeMatcher - Support 'n' modifier (#3271), thanks @​staabm!
• Improve abs() return type (#3263), #11367, thanks @​julienfalque!
• UselessFunctionReturnValueRule: More precise error message (#3266), #11377, thanks @​staabm!

Internals 🔍

• Extract RegexExpressionHelper (#3270), thanks @​staabm!
• Refactor RegexArrayShapeMatcher (#3274), thanks @​staabm!

Commits

• e370bcd PHPStan 1.11.9
• 2229deb Updated PHPStan to commit 2229debcdc300987d0949a4ce9845c6e5561cd47
• c400c2c Update baselines
• e19e6e5 Updated PHPStan to commit e19e6e5f8cfa706cc30e44a17276a6bc269f995c
• 35a2f57 Updated PHPStan to commit 35a2f577d14229e5f50ef83bd417f84ef56ee04e
• 582a0f8 Updated PHPStan to commit 582a0f8a744fa2ebda2d98783c55c78183e8bbed
• cf1096d Updated PHPStan to commit cf1096d0ccd281274c36f6083eaa9833e945b014
• 5c54586 Updated PHPStan to commit 5c54586a2fdd3c560253c2cf0e1328fb3a46680d
• bfef6da Updated PHPStan to commit bfef6da0c7b4937e4f7568ce78368e8f80befe9e
• c0537db Updated PHPStan to commit c0537db2aa4a80b588ea1704c084ec17ab51aa0d
• Additional commits viewable in compare view

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