This MR contains the following updates:

Package	Type	Update	Change
phpstan/phpstan	require-dev	patch	`1.8.0` -> `1.8.1`

phpstan/phpstan

Improvements 🔧

ReadWritePropertiesExtensions are part of ClassPropertiesNode (https://github.com/phpstan/phpstan-src/commit/49c27d8849b1d153a67f28e612e490a71b4fd477), https://github.com/phpstan/phpstan-src/pull/1480#issuecomment-1169960148
Add ClosureTypeFactory (#1484), https://github.com/phpstan/phpstan/discussions/7546, thanks @canvural!
Handle native function @throws tag in stub file (#1487), #7552, thanks @VincentLanglet!
Add #[AllowDynamicProperties] PHP 8.2 attribute stub (#1478), thanks @andypost!
Add rule that disallows final private methods on PHP 8.0+ (#1490), thanks @herndlm!
Inherit @immutable phpdoc (#1489), #7506, thanks @herndlm!
Mark ClassReflection::evictPrivateSymbols() as internal (https://github.com/phpstan/phpstan-src/commit/9138ab2a1b63d9ee31764cc812cca404f265ecb7)

Bugfixes 🐛

Fix type specification of various string functions with constant strings in a falsey context (#1488), #7555, thanks @herndlm!
Fix ConstantArrayType creation for preg_split with MREG_SPLIT_OFFSET_CAPTURE (#1486), #7554, thanks @herndlm!
Reindex constant arrays via shuffle (#1438), #6138, thanks @herndlm!
Fix union and intersection between StaticType and ThisType (https://github.com/phpstan/phpstan-src/commit/e20e9345f57a7cd760967f459aa1eedfe2eabff8), #6291, #7211, #7550
Enhance FILTER_VALIDATE_INT option in filter_var (#1499), #7608, thanks @takeokunn!
Fix handling of str_split / mb_str_split string arg compound types (#1496), #7580, thanks @herndlm!
Fix Identical type specification of constant types (#1493), #7257, #6781, #6647, #5896, #5474, #6000, thanks @herndlm!
Better StaticType::traverse() (https://github.com/phpstan/phpstan-src/commit/0e257067ff92fbcb37b034cccdbea864a233c198)
GenericClassStringType::isSuperTypeOf() - do not convert maybe into no (https://github.com/phpstan/phpstan-src/commit/6fba5429b9784801a89cdc6cfa3d6f8cfd1d82e8), #6697
Fix subtractable StaticType (https://github.com/phpstan/phpstan-src/commit/0906336d29e807baba1a9eeca7b1545240c4ce5c), #6443

📅 Schedule: Branch creation - "every weekend" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this MR and you won't be reminded about this update again.

This MR has been generated by Renovate Bot.