Update web_components dependency to 0.4.0
Update web_components dependency to 0.4.0
dart-archive/core-elements,dart-archive/core-elements,ronlobo/core-elements,ronlobo/core-elements,orgsea/core-elements,orgsea/core-elements,ronlobo/core-elements,ronlobo/core-elements,orgsea/core-elements,dart-archive/core-elements,orgsea/core-elements,dart-archive/core-elements