Bugfixes 🐛

• Correctly infer template type from various callables (phpstan/phpstan-src@5920c98), #12691
• Fix accepting generic callable in CallableType and ClosureType (phpstan/phpstan-src@0e10531), #12691, #6828, #11942, #11861, #6828, #9167
• Fix generalizing constant arrays when the array is getting smaller (phpstan/phpstan-src@8734057), #12658, #8030

Function signature fixes 🤖

• Fix MongoCollection::findOne() return type (#3854), thanks @aivchen!