Add justfile, remove coveralls, and fix AUTOLOAD in CI #2967

Job	Run time
Tests ([email protected], AUTOLOAD=0)	23s
Tests ([email protected], AUTOLOAD=0)	30s
PHP-CS-Fixer	20s
Tests ([email protected], AUTOLOAD=0)	30s
Publish	0s
Tests ([email protected], AUTOLOAD=0)	22s
PHPStan	40s
Tests ([email protected], AUTOLOAD=0)	32s
Tests ([email protected], AUTOLOAD=0)	26s
Tests ([email protected], AUTOLOAD=0)	36s
Tests ([email protected], AUTOLOAD=0)	30s
Tests ([email protected], AUTOLOAD=0)	34s
Tests ([email protected], AUTOLOAD=1)	32s
Tests ([email protected], AUTOLOAD=1)	29s
Tests ([email protected], AUTOLOAD=1)	30s
Tests ([email protected], AUTOLOAD=1)	24s
Tests ([email protected], AUTOLOAD=1)	20s
Tests ([email protected], AUTOLOAD=1)	22s
Tests ([email protected], AUTOLOAD=1)	21s
Tests ([email protected], AUTOLOAD=1)	21s
Tests ([email protected], AUTOLOAD=1)	32s
	9m 14s

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