Bump selenium-webdriver from 4.20.0 to 4.21.0 #724

Job	Run time
test_default_version (ubuntu-latest, now)	37s
test (ubuntu-latest, now, current)	57s
test_default_version (ubuntu-24.04, now)	55s
test (ubuntu-24.04, now, current)	50s
test_default_version (ubuntu-22.04, now)	34s
test (ubuntu-22.04, now, current)	36s
test_default_version (ubuntu-20.04, now)	50s
test (ubuntu-20.04, now, current)	34s
test_default_version (macos-latest, now)	2m 26s
test (macos-latest, now, current)	2m 29s
test_default_version (macos-14, now)	2m 29s
test (macos-14, now, current)	2m 4s
test_default_version (macos-13, now)	1m 10s
test (macos-13, now, current)	51s
test_default_version (macos-12, now)	1m 40s
test (macos-12, now, current)	50s
	19m 52s

Provide feedback