Update dependency phpstan/phpstan to v0.12.86

This MR contains the following updates:

Package	Type	Update	Change
phpstan/phpstan	require-dev	patch	0.12.85 -> 0.12.86

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Release Notes

phpstan/phpstan

v0.12.86

Compare Source

Improvements 🔧

• Inline @throws support (phpstan/phpstan-src@48bfa70)
• Updated PHP-Parser to 4.10.5 (phpstan/phpstan-src@4ee1fa1)

Bugfixes 🐛

• new ReflectionClass() can throw ReflectionException (phpstan/phpstan-src@00d3ef4)
• Fix PHPStan Pro reanalyse results (phpstan/phpstan-src@179b213)
• DateTime and DateTimeImmutable constructor does not always throw Exception (phpstan/phpstan-src@181f75c)
• Do not attempt to autoload invalid classnames (phpstan/phpstan-src@56566eb), #​4953

Function signature fixes 🤖

• Fixed wincache_ucache_inc and wincache_ucache_dec (phpstan/phpstan-src@671f404), #​4952
• Fixed Redis::scan() signature (phpstan/phpstan-src@8fe9e60), #​4929
• IntlDateFormatter::parse can define variable by reference (#​509), thanks @​francescolaffi!

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