chore: ignore find-up #13

Job	Run time
test-browser-windows (chrome, chromium)	6m 26s
test-browser (chrome, chromium)	3m 25s
test-browser-windows (edge, webkit)	6m 19s
lint	56s
test-browser (firefox, firefox)	3m 34s
test (ubuntu-latest, 18)	10m 21s
test-browser (edge, webkit)	3m 38s
test (ubuntu-latest, 20)	7m 12s
test (macos-latest, 20)	9m 3s
test-ui	50s
test-ui-e2e (ubuntu-latest)	1m 54s
test (windows-latest, 20)	15m 44s
typecheck	2m 11s
test-ui-e2e (macos-latest)	3m 33s
test-ui-e2e (windows-latest)	3m 14s
	1h 18m 20s

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