Bump qunit-dom from 2.0.0 to 3.0.0 #1813

Job	Run time
Lint	1m 11s
End-to-end tests (macos-latest/npm)	6m 35s
Basic tests (macos-latest)	4m 38s
End-to-end tests (macos-latest/yarn)	6m 54s
Basic tests (ubuntu-latest)	1m 43s
End-to-end tests (ubuntu-latest/npm)	3m 48s
Basic tests (windows-latest)	6m 53s
End-to-end tests (ubuntu-latest/yarn)	3m 34s
End-to-end tests (windows-latest/npm)	17m 28s
End-to-end tests (windows-latest/yarn)	15m 45s
automerge	4s
	1h 8m 33s

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