Due to docker-hub pull request rate limitation, we will use registed account to pull image
from docker-hub, therefore add docker-hub login in API tests.
Signed-off-by: danfengliu <danfengl@vmware.com>
1. Upgrade robot-framework to 3.1 and Selenium library to 4.4.0.
2. Fix a registry issue for clear filter text input.
Signed-off-by: danfengliu <danfengl@vmware.com>