Update dependency phpstan/phpstan to v1.9.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
phpstan/phpstan	require-dev	patch	1.9.1 -> 1.9.2

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Release Notes

phpstan/phpstan

v1.9.2

Compare Source

Bugfixes 🐛

• Fix array and iterable type action methods on NeverType (#​1968), #​8277, thanks @​herndlm!
• Support 'HasMethodType' on StaticCall (#​1969), #​1267, thanks @​staabm!
• Addition operation on MixedType without ArrayType cannot result in ArrayType (#​1949), thanks @​staabm!
• Remove DateInterval stub (#​1974), thanks @​VincentLanglet!
• Fix invalidate static expressions in closures (#​1983), #​8292, thanks @​rajyan!
• Fix false positive of access to private property of parent class (#​1953), #​2435, thanks @​tyabu12!
• Fix unset on nested array (#​1987), #​8113, thanks @​rvanvelzen!

Function signature fixes 🤖

• Update DateTimeZone::listAbbreviations signature (#​1962), thanks @​franmomu!
• Making json_encode() always produce a non-empty-string, when successful (#​1980), thanks @​Slamdunk!
• sodium_crypto_generichash* always produce a non-empty-string (#​1981), thanks @​Slamdunk!
• sodium_crypto_sign* always produce non-empty-string (#​1985), thanks @​Slamdunk!

Internals 🔍

• Implement isClassStringType() on Type (#​1970), #​6147, thanks @​staabm!
• Implement isInteger() on Type (#​1971), thanks @​staabm!
• Implement isBoolean() on Type (#​1973), thanks @​staabm!
• Implement isFloat() on Type (#​1977), thanks @​staabm!
• Implement isNull() on Type (#​1978), thanks @​staabm!
• Add Type::isVoid() (#​1982), thanks @​herndlm!

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