Build(deps-dev): Update phpstan/phpstan requirement from ^0.12.4 to ^0.12.5

[dependabot-preview]

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

Release notes

Sourced from phpstan/phpstan's releases.

0.12.5

Improvements 🔧

• Renamed stub files extensions to not pollute PhpStorm index (phpstan/phpstan-src@b20d7b6)
• Constructor phpDocs are inherited without remapping parameter names by position (phpstan/phpstan-src@ca37ebd), #2819
• Allow missing return for unions with void type (phpstan/phpstan-src@e208c05), #2643

Bugfixes 🐛

• Skip Composer loader directories where installed.json is not present (phpstan/phpstan-src@e4fe64c), #2818
• Magic method referencing correct type based on __get or __set (#92), #2358, thanks @JeroenVanOort!
• Expand relative tmpDir in phpstan.neon the same way as other paths are expanded (phpstan/phpstan-src@79333d3), #2843
• Fix trait caching issue (phpstan/phpstan-src@6f6ea7e), #1601
• TypeCombinator: fix integer ranges operations (#89), thanks @hrach!
• Generics: fix ObjectType's isSuperTypeOf & accepts with TemplateType (#85), thanks @hrach!
• Fix filename that isn't a valid file issue (phpstan/phpstan-src@d279fe5), #2841, #2838
• Assignment must wipe out all dependant variables types (#96), #2822, thanks @cs278!
• Fixed internal error with LevelDB stub (phpstan/phpstan-src@6bd522c), #2823
• Fixed expression invalidation when $i++ is involved (phpstan/phpstan-src@9665e16), #2835

Function signature fixes 🤖

• Update ext-ds.php (#90), thanks @enumag!
• Fix openssl_seal() function signature (#91), thanks @luxemate!

Commits

• 71a20c1 PHPStan 0.12.5
• 6d99739 Updated PHPStan to commit e208c0599555cd6e54b9c38ff0412e89c2c2ac36
• 3da6a19 Updated PHPStan to commit 9665e165d50737c53d68521936cf8ab2f2c07109
• 8b8f103 Updated PHPStan to commit ca37ebdd0ecb50f6c8f2cfe26ba0f506f6ea8ebc
• 8d62d6a Updated PHPStan to commit 6bd522c3707bd3825c3b5c5000129e5e43783d9e
• eda8813 Updated PHPStan to commit e81d73211b984ce3c441ae6f8a17f33b1e75f8fb
• 5a3383d Updated PHPStan to commit d279fe5c6d9d51ab381a857861d43af631e94054
• 44c6953 Updated PHPStan to commit 8f3ef5e73cf37521dc1cf138f034633bb125aa19
• b2f3ab7 Updated PHPStan to commit 65cd6cbaeb4a78d517e53acbc44d6eb6874608c3
• 7afdd9a Updated PHPStan to commit 56d2e30bf3ca107aadbedc95b2529ffb150bf9fa
• Additional commits viewable in compare view

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[coveralls]

Pull Request Test Coverage Report for Build 128

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 126:	0.0%
Covered Lines:	2
Relevant Lines:	2

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💛 - Coveralls