Bugfixes 🐛

• Properties are read when using AssignRef (=&) too (phpstan/phpstan-src@74787be), #5935
• Fixed internal error with method attributes referencing self:: (phpstan/phpstan-src@b5e44f7), #5951
• Fix stub namespaces in some extensions like pecl_http (ondrejmirtes/BetterReflection@9f2b6eb, ondrejmirtes/BetterReflection@bdd2523), #5460, thanks @kukulich!
• Do not attempt to clear old containers if the directory does not exist (phpstan/phpstan-src@2427b83)

Function signature fixes 🤖

• Mark file resource functions as having side effects (#698), thanks @jlherren!
• Use positive integers for various time functions (#760), thanks @staabm!