docs: fix some it's -> its #8585

Job	Run time
test-browser-windows (chrome, chromium)	6m 23s
lint	1m 11s
test (ubuntu-latest, 18)	11m 4s
test-browser-windows (edge, webkit)	5m 51s
test-browser (chrome, chromium)	3m 9s
test (ubuntu-latest, 20)	10m 2s
test-browser (firefox, firefox)	3m 53s
test-ui	1m 2s
test (macos-14, 20)	8m 22s
test-browser (edge, webkit)	3m 36s
test (windows-latest, 20)	16m 25s
test-ui-e2e (ubuntu-latest)	2m 2s
test-ui-e2e (macos-14)	3m 46s
test-ui-e2e (windows-latest)	4m 1s
typecheck	1m 56s
	1h 22m 43s

Provide feedback