Add support for nextcloud master #1745

Job	Run time
builds / API tests (stable30, 8, 1, mysql)	15m 1s
builds / unit tests and linting (stable30, 8.1)	2m 6s
builds / API tests (stable30, 8, 2, mysql)	15m 0s
builds / unit tests and linting (stable30, 8.2)	2m 6s
builds / API tests (stable30, 8, 3, mysql)	14m 6s
builds / unit tests and linting (stable30, 8.3)	2m 6s
builds / API tests (stable30, 8, 1, pgsql)	15m 27s
builds / unit tests and linting (master, 8.1)	2m 23s
builds / unit tests and linting (master, 8.2)	2m 6s
builds / API tests (stable27, 8, 0, mysql)	15m 26s
builds / unit tests and linting (master, 8.3)	2m 11s
builds / API tests (stable28, 8, 1, mysql)	14m 53s
builds / unit tests and linting (stable27, 8)	1m 59s
builds / API tests (stable29, 8, 1, mysql)	14m 53s
builds / unit tests and linting (stable28, 8.1)	2m 17s
builds / API tests (master, 8, 3, mysql)	14m 29s
builds / unit tests and linting (stable29, 8.1)	2m 56s
builds / notify-nightly-report	0s
	2h 19m 25s

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