fix: <Toast/> - change colors to be more accessible (https://github.com/wix/wix-ui-tpa/pull/290)
fix: <Toast/> - change colors to be more accessible (https://github.com/wix/wix-ui-tpa/pull/290)

* changed colors to be more accessible

* added border

wix/wix-style-react,wix/wix-style-react,wix/wix-style-react,wix/wix-style-react