Update phpstan/phpstan requirement from 1.4.5 to 1.4.6

[dependabot[bot]]

Updates the requirements on phpstan/phpstan to permit the latest version.

Release notes

Sourced from phpstan/phpstan's releases.

1.4.6

Improvements 🔧

• Implemented constant type inference for implode() function (#991), thanks @​staabm!

Bugfixes 🐛

• Fix interaction between template type and union type (#992), #5591, thanks @​arnaud-lb!
• Delegate most of TypeCombinator::remove() to Type::tryRemove() (#994), #6438, thanks @​arnaud-lb!
• TemplateType should accept a TemplateType derived from itself (#999), #5844, #5706, thanks @​arnaud-lb!
• Fixed intersecting and removal from TemplateUnionType (https://github.com/phpstan/phpstan-src/commit/0d288353ca782ef79e362657c2581abf4246a2f8), #6566
• Fixed type seen by IterableInForeachRule with inline @var right above foreach (https://github.com/phpstan/phpstan-src/commit/b6bbbaf6b01cbd43ae2800bbd00fe0ddbcb2e0d9), #6564
• modulo 1 is always zero (#973), thanks @​staabm!
• multiply by zero is always zero (#974), thanks @​staabm!
• Fixed discovering backed enum without space around : (https://github.com/phpstan/phpstan-src/commit/5162bcfea5456eb827035cd249c5ace55057237b), composer/composer#10498

Function signature fixes 🤖

• Function md5() always return non-empty-string (#987), thanks @​janbarasek!
• Correct the case for parameters that accept an instance of Iterator. (#988), thanks @​johnbillion!
• Fix the return types of round()/ceil()/floor() (#729), thanks @​johnbillion!
• Correct the return type of SplFileObject::fstat() (#996), thanks @​johnbillion!
• Improve the return type of functions that return an indexed array of strings (#997), thanks @​johnbillion!

Commits

• 8a7761f PHPStan 1.4.6
• 3273c8e Updated PHPStan to commit 3e014c27fa6041a1187a326d028eb07d58792ddc
• ba8d439 Updated PHPStan to commit 5162bcfea5456eb827035cd249c5ace55057237b
• fcd06a1 Updated PHPStan to commit 5087733fc667b1f84fe6a482194073467847cb88
• bc824b0 Updated PHPStan to commit 5348490153abba4ed09b39a4872f4d8b1c6c037c
• 55f6cc1 Updated PHPStan to commit 2d7f374888f6d032c329140572d69de09fa77238
• 00babe5 Updated PHPStan to commit c0fe972234f9b05e41e194dbc85d2cfbfe406ece
• 7a030f0 🤏 Little typo fix
• 8859e9c Updated PHPStan to commit 30798b52ba7024640b0baa866a00a20d5477d85e
• d744a01 Updated PHPStan to commit 0d288353ca782ef79e362657c2581abf4246a2f8
• Additional commits viewable in compare view

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[codecov[bot]]

Codecov Report

Merging #138 (7685380) into master (9bf978c) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #138   +/-   ##
=========================================
  Coverage     94.19%   94.19%           
  Complexity       62       62           
=========================================
  Files             1        1           
  Lines           155      155           
=========================================
  Hits            146      146           
  Misses            9        9           

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