Update README.rst for SeleniumLibrary 4.0 (#1410)
Update README.rst for SeleniumLibrary 4.0 (#1410)

Fixes #1324


rtomac/robotframework-selenium2library,emanlove/robotframework-selenium2library,emanlove/robotframework-selenium2library,rtomac/robotframework-selenium2library,robotframework/SeleniumLibrary,rtomac/robotframework-selenium2library,robotframework/SeleniumLibrary,emanlove/robotframework-selenium2library,robotframework/SeleniumLibrary