Fix grant pending status sync issue (#4431) #3318

Job	Run time
Check frontend needs building	13s
Check backend needs building	12s
Check pretix needs building	12s
Build backend / Build	5m 35s
Build pretix	-1s
Deploy backend	44s
Wait backend deployment	1m 31s
Build frontend	0s
Deploy frontend	36s
Wait frontend deployment	9s
	9m 11s

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