Support localhost:port notation for tests #2781

Job	Run time
PHPStan (8.0, mysql:8.0, mysqli, recording)	58s
PHPStan (reflection replay) (8.1, mysqli, replay)	29s
PHPStan (8.0, mariadb:latest, mysqli, recording)	1m 3s
PHPStan (reflection replay) (8.1, pdo-mysql, replay)	30s
PHPStan (8.1, mysql:8.0, mysqli, recording)	54s
PHPStan (8.1, mariadb:latest, mysqli, recording)	48s
PHPStan (8.2, mysql:8.0, mysqli, recording)	1m 3s
PHPStan (8.2, mariadb:latest, mysqli, recording)	47s
PHPStan (8.0, mysql:8.0, pdo-mysql, recording, --health-cmd="mysqladmin ping" --health-interval=1...	59s
PHPStan (8.0, mysql:8.0, pdo-mysql, recording, --health-cmd="mysqladmin ping" --health-interval=1...	1m 7s
PHPStan (8.1, mysql:8.0, mysqli, replay-and-recording, --health-cmd="mysqladmin ping" --health-in...	51s
	9m 29s

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