Update phpstan/phpstan from 0.12.7 to 0.12.8

[violinist-bot]

If you have a high test coverage index, and your tests for this pull request are passing, it should be both safe and recommended to merge this update.

Here is a list of changes between the version you use, and the version this pull request updates to:

• 62a55260 PHPStan 0.12.8
• f84d86c0 Updated PHPStan to commit 9a2fba0de48a09dae96b79481644709b12de6fd8
• 3591e78e Updated PHPStan to commit 1f272c3a71117fb3fc99fd15e031b92ae35a3399
• 9269e281 Updated PHPStan to commit cefb4591bc51b25ec8ebc51a990ff01e77b15416
• 9b9d5012 Updated PHPStan to commit ecbc22d26dfcb4215e0da9c2523112647dfee647
• 25ba425f Updated PHPStan to commit a613567e774a0d42471122b6ab1c14d6f121b086
• 355ce736 Updated PHPStan to commit c7db44769bb4c9c40200cec4e774a1e9386c1e4f
• 1ed55250 Updated PHPStan to commit 6b045e7fc36691ce915d38615e7fb7abbbc7e402
• d6d54b4f Updated PHPStan to commit faf3873cbe956fc1a02f2cbeddf2d1a624e0b226
• ddbe76f0 Updated PHPStan to commit e68852ac380740a578246a4eae18cb7062861867
• 16ed1853 Updated PHPStan to commit 5ab5450e83979de0ad5ee23a7d92dcb17ecf28d3
• d29db696 Updated PHPStan to commit 3ec2400fb4cc17cce616b6b96b04c0b6fdf48537
• 29384907 Updated PHPStan to commit 41c9041a7755fa828686c3c86e4d7f742c1dadfd
• 35603efc Updated PHPStan to commit 3e1ce5d06e574c6da93b8fa3dcf8569f8f8fcff3
• 88b1dcc3 Updated PHPStan to commit ded4467c8f44376da2d9edf96d3bb60dcb2cd148
• 9ccd4972 Updated PHPStan to commit 36c24556102bd967fc67acdf6fc9db7e47b8a3c8
• 16aca0d7 Updated PHPStan to commit d7f276a69022a81424cc432386e4b1169d63e7fc
• 95d032f4 Updated PHPStan to commit 57d05a66ddaeb389f4d68cb06346ad6a87b69a5d
• 2d47f7ea Revert "Removed inactive sponsors"
• 7935b5c6 Updated PHPStan to commit 04f777bc4445725d17dac65c989400485454b145
• f0532025 Updated PHPStan to commit 53767595db77e5282c721118a11aa86a2768c22a
• 47db0610 In documentation, specify the namespace of ErrorFormatter, and use the correct type for the second argument of formatErrors()

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[localheinz]

@Jan0707

Can we remove this integration?

It’s pointless, at the moment.