Build

Setup mutation testing #1487

Job	Run time
Coding Standard	30s
Lint (7.4)	19s
Lint (8.0)	14s
Lint (8.3)	17s
Lint (8.4)	12s
Lint (8.2)	19s
Lint (8.1)	15s
PHPStan (7.4)	25s
PHPStan (8.0)	26s
PHPStan (8.2)	26s
PHPStan (8.3, composer require --dev doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctri...	23s
PHPStan (8.1)	30s
PHPStan (8.4)	33s
Tests (7.4, highest)	1m 40s
PHPStan (8.3)	29s
Tests (8.1, highest)	1m 29s
Tests (7.4, lowest)	1m 33s
Tests (8.1, lowest)	1m 27s
Tests (8.0, highest)	1m 35s
Tests (8.3, highest, composer config extra.patches.doctrine/orm --json --merge '["compatibility/p...	1m 30s
Tests (8.0, lowest)	1m 29s
Tests (8.4, lowest)	1m 24s
Tests (8.3, highest)	1m 30s
Tests (8.2, highest)	1m 36s
Tests (8.4, highest)	1m 27s
Tests (8.2, lowest)	1m 23s
Tests (8.3, lowest)	1m 21s
Mutation Testing (8.2)	19s
Mutation Testing (8.4)	22s
Mutation Testing (8.3)	22s
	25m 45s

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