Reset mode does not create PosgreSQL's schema

[JanTvrdik]

See

migrations/src/Engine/Runner.php

Lines 98 to 104 in 93c3ba6

	$this->driver->setupConnection();
	$this->driver->lock();
	if ($mode === self::MODE_RESET) {
	$this->driver->emptyDatabase();
	$this->printer->printReset();
	}

, $this->driver->lock() required the schema to already exist