This MR contains the following updates:

Package	Type	Update	Change
phpstan/phpstan	require-dev	patch	`1.9.7` -> `1.9.8`

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phpstan/phpstan

Improvements 🔧

Improve constant string support in DateTime return type extensions (#2152), thanks @herndlm!
Improve expression type resolving of superglobals (#2012), thanks @herndlm!
Improve integer range multiplication and division (#1961), thanks @VincentLanglet!

Bugfixes 🐛

ObjectType static cache should be reset after container creation (https://github.com/phpstan/phpstan-src/commit/b13ce59ac33952c086b0effa986691a8fcd6166e), https://github.com/phpstan/phpstan/discussions/8502
Supports functions whose side effects are flipped by parameters (#2037), #8440, thanks @zonuexe!
array_shift et al. have side effects (https://github.com/phpstan/phpstan-src/commit/6276ce1c3e86e18d43989310dbd277e8ea9845f6), #8084
Fix comparison with get_class() in traits always evaluate to true (#2044), #3633, thanks @staabm!

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