chore(deps): update dependency phpstan/phpstan to v1.12.11 (#800)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [phpstan/phpstan](https://github.com/phpstan/phpstan) |
`1.12.10` -> `1.12.11` |
[![age](https://developer.mend.io/api/mc/badges/age/packagist/phpstan%2fphpstan/1.12.11?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/packagist/phpstan%2fphpstan/1.12.11?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/packagist/phpstan%2fphpstan/1.12.10/1.12.11?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/packagist/phpstan%2fphpstan/1.12.10/1.12.11?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>phpstan/phpstan (phpstan/phpstan)</summary>

###
[`v1.12.11`](https://github.com/phpstan/phpstan/releases/tag/1.12.11)

[Compare
Source](https://github.com/phpstan/phpstan/compare/1.12.10...1.12.11)

# Improvements 🔧

- Update `fidry/cpu-core-counter`
([#&#8203;3632](https://github.com/phpstan/phpstan-src/pull/3632)),
[https://github.com/phpstan/phpstan/discussions/12026](https://github.com/phpstan/phpstan/discussions/12026)
- Add `TypeCombinator::removeTruthy()` method
([#&#8203;3633](https://github.com/phpstan/phpstan-src/pull/3633)),
thanks [@&#8203;canvural](https://github.com/canvural)!
- Add basic type narrowing for `$a != ''`
([#&#8203;3304](https://github.com/phpstan/phpstan-src/pull/3304)),
thanks [@&#8203;thg2k](https://github.com/thg2k)!
- Use the correct type for final constants
([#&#8203;3638](https://github.com/phpstan/phpstan-src/pull/3638)),
thanks [@&#8203;thg2k](https://github.com/thg2k)!

# Bugfixes 🐛

- Fix resolving class constant type using `self::` in a class attribute
argument
(phpstan/phpstan-src@3447391),
[#&#8203;12011](https://github.com/phpstan/phpstan/issues/12011),
[#&#8203;10314](https://github.com/phpstan/phpstan/issues/10314)
- Do not report nonexistent variable passed to by-ref parameter with
checkImplicitMixed (level 10 in 2.0)
(phpstan/phpstan-src@f158d5b),
[#&#8203;12015](https://github.com/phpstan/phpstan/issues/12015)
- Add `null` to `array_map(null, $a, $b)`
([#&#8203;3562](https://github.com/phpstan/phpstan-src/pull/3562)),
thanks [@&#8203;schlndh](https://github.com/schlndh)!
- Fix `ArrayType<mixed, X>` with `checkImplicitMixed` (level 10 in 2.0)
([#&#8203;3636](https://github.com/phpstan/phpstan-src/pull/3636)),
[#&#8203;12051](https://github.com/phpstan/phpstan/issues/12051),
thanks
[@&#8203;VincentLanglet](https://github.com/VincentLanglet)!

# Function signature fixes 🤖

- Fix `extract()` signature
([#&#8203;3512](https://github.com/phpstan/phpstan-src/pull/3512)),
thanks
[@&#8203;VincentLanglet](https://github.com/VincentLanglet)!
- Improve signature for `get_defined_constants()`
([#&#8203;3635](https://github.com/phpstan/phpstan-src/pull/3635)),
thanks [@&#8203;thg2k](https://github.com/thg2k)!
- `fgetcsv` accepts `null` for `$length`
([#&#8203;3077](https://github.com/phpstan/phpstan-src/pull/3077)),
thanks [@&#8203;staabm](https://github.com/staabm)!

</details>

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