Update branch alias for dev-main to 3.x-dev #43

Job	Run time
CI / Generate matrix	11s
CI / Context	2s
CI / Check governance	3s
CI / 8.3 mysql80 phplinting	2m 2s
CI / 8.3 mysql80 phpunit all	2m 0s
CI / Dispatch tag patch release	0s
	4m 18s

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