Update phpstan/phpstan requirement from ^0.12.60 to ^0.12.78

[dependabot]

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

Release notes

Sourced from phpstan/phpstan's releases.

0.12.78

Improvements 🔧

• Remember assigned offset value on general arrays (phpstan/phpstan-src@0f64ca7), #2112
• Result cache optimization (phpstan/phpstan-src@67b2d1c)
• Result cache - invalidate when scanned file changed (phpstan/phpstan-src@7d279fc), #3952
• Result cache - hash autoload file and bootstrap files (phpstan/phpstan-src@3457e58), #3416
• Parameter of closure passed into array_map/array_filter can resolve to a subtype of native type (phpstan/phpstan-src@bf320b0)

Bugfixes 🐛

• Invalidate count($array) after array_shift() (phpstan/phpstan-src@6b2afbc), #4558
• Fix @template name clash from different scopes (phpstan/phpstan-src@527269a), #4557, #3121
• Symbol discovery - fixed looking for functions returning references (phpstan/phpstan-src@ec26a00), #3829
• First argument of method_exists() might remain a string (phpstan/phpstan-src@91894ff), #4573
• Added many regression tests for already fixed issues (phpstan/phpstan#2837, phpstan/phpstan#3096, phpstan/phpstan#3891, phpstan/phpstan#3544, phpstan/phpstan#2675, phpstan/phpstan#1897, phpstan/phpstan#1801, phpstan/phpstan#1711, phpstan/phpstan#4432, phpstan/phpstan#2268, phpstan/phpstan#2298, phpstan/phpstan#1903, phpstan/phpstan#2927, phpstan/phpstan#2434, phpstan/phpstan#2220, phpstan/phpstan#1871, phpstan/phpstan#1707, phpstan/phpstan#1664, phpstan/phpstan#1661, phpstan/phpstan#1656, phpstan/phpstan#1613, phpstan/phpstan#2682, phpstan/phpstan#2689, phpstan/phpstan#2714, phpstan/phpstan#2846, phpstan/phpstan#3309, phpstan/phpstan#3357, phpstan/phpstan#3534, phpstan/phpstan#3608, phpstan/phpstan#3669, phpstan/phpstan#3920, phpstan/phpstan#3261, phpstan/phpstan#4289, phpstan/phpstan#2568, phpstan/phpstan#4209, phpstan/phpstan#3034, phpstan/phpstan#3117, phpstan/phpstan#1971, phpstan/phpstan#2869, phpstan/phpstan#3024, phpstan/phpstan#3134)

Function signature fixes 🤖

• Fix accepted types for fputcsv fields parameter (#451), thanks @DaveLiddament!

Commits

• eecce8d PHPStan 0.12.78
• 9289342 Updated PHPStan to commit f124a4528429cfb79c6907d60b267d2541506b0b
• aa62051 Improve CI
• 9baf6b2 Update Slevomat CS test
• a494e80 Updated PHPStan to commit 91894ff918d4453d2eb1197cb63c995b11bb801a
• f5adf8b Updated PHPStan to commit bf320b0b2551aeb06934c64edcc2597f740ba401
• 3706622 Updated PHPStan to commit 7d279fcfe8d9c2bf9066be302209a58c15b9b8bc
• b132ef0 Updated PHPStan to commit 67b2d1cfa5d9bf769cd71cb2d28dd2f9ca86ba2b
• 2ed4ec1 Updated PocketMine baseline
• d71a3b6 Updated PHPStan to commit f74f05cc5e530389d8cde8b628bbca7e7bac13de
• Additional commits viewable in compare view

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Dependabot will merge this PR once CI passes on it, as requested by @xificurk.

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[xificurk]

@dependabot squash and merge

[xificurk]

@dependabot recreate

[xificurk]

@dependabot squash and merge

[xificurk]

@dependabot squash and merge

[xificurk]

@dependabot squash and merge

[dependabot]

This PR has already been merged! 🎉