Update phpstan/phpstan requirement from ^0.12.88 to ^1.4.5

[dependabot[bot]]

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

Release notes

Sourced from phpstan/phpstan's releases.

1.4.5

Improvements 🔧

• AnalyseApplication: Do not re-analyse stubs on every run (#730), #5826, thanks @​dktapps!
• Add shorthand for --generate-baseline (-b) (#980), thanks @​Seldaek!
• Support narrowing down array_filter() return type via string callable (#938), #6417, thanks @​herndlm!
• Loop optimization (#757), thanks @​ging-dev!

Bugfixes 🐛

• Fixed level 9 issues (https://github.com/phpstan/phpstan-src/commit/9f12f0fb4877b28cdad42644d927f579c42db22d), #6423, #6464, #6236, #6418, #6118, #6081, #6053, #6055, #5860, #6230
• Cast PHPDoc array key type with array key casting rules (https://github.com/phpstan/phpstan-src/commit/5d17b847d9f60a0fba21d76d813a612c042fdb1c), #6117
• Support closure bind with class-string (#706), #4949, thanks @​mvorisek!
• Fix NeverType::toBoolean() (https://github.com/phpstan/phpstan-src/commit/fe3a3419d5d8d2b276456971afc3e1804ab1c759), #6258
• Fix DatePeriod constructor extension in subclasses (https://github.com/phpstan/phpstan-src/commit/0c82b3a2675f636db920a0a3e077a45a87200766), #6500
• Forget remembered specific type when entering arrow function with same-named parameter (https://github.com/phpstan/phpstan-src/commit/af38f03b41d002bd01afa989921acd9f1114fc0e), #6473
• Fix segfault (https://github.com/phpstan/phpstan-src/commit/d101764ff94a5838930a11fdac7ca9156ded7dc4), #6501

Function signature fixes 🤖

• More precise array_chunk signature (#709), thanks @​staabm!
• Narrow the type for the preg_replace_callback() callable. (#758), thanks @​johnbillion!
• Update return types for hash functions (#822), thanks @​jlherren!
• Fix type for array_splice() argument $replacement (#901), #6288, thanks @​spawnia!
• stream_bucket_new returns an object (#968), thanks @​mind-bending-forks!
• More precise signatures for mb_* functions (#717), thanks @​staabm!
• Fix array_column() with null as $column_key (#970), thanks @​jlherren!

Commits

• 150d1fb PHPStan 1.4.5
• aa7b5bb Updated PHPStan to commit e1575aa00646951769a48bb3f71c2bb9bda0b94d
• 7935c61 Update website
• 42ed7a6 Update Eleventy
• bb69e3e Updated PHPStan to commit c1b7ff984230db43519103b27b6a742a78aa46fc
• fe08ad5 Update dependency serverless to v3.1.1
• 5e6b9c5 Update dependency serverless to v3.1.1
• d9cb61c Updated PHPStan to commit 7aef5d5acc17dceba10e5886c3a95f312006f9e5
• 3f67551 Update renovate.json
• 32e6b4c Update website
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #65.