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Bump @iobroker/testing from 5.0.4 to 5.1.1 #684

Job	Run time
check-and-lint	20s
adapter-tests (20.x, windows-latest)	3m 42s
adapter-tests (20.x, ubuntu-latest)	44s
adapter-tests (20.x, macos-latest)	48s
adapter-tests (22.x, ubuntu-latest)	50s
adapter-tests (22.x, windows-latest)	3m 46s
adapter-tests (22.x, macos-latest)	47s
deploy	0s
	10m 57s