feat(standards): add superclassRole to ariaRoles (#2600)

* feat(standards): add superclassRole to ariaRoles

Added superclassRole attributes as an array of strings per WAI-ARIA 1.1 spec

Closes issue 2151

* feat(standards): add superclassRole to ariaRoles

    Added superclassRole attributes as an array of strings per WAI-ARIA 1.2 spec

    Closes issue 2151

* fix(standards) Minor changes from PR feedback

Fixed errors that were pointed out in the PR feedback

Closes issue 2151

Co-authored-by: Red Gardner <redg@indeed.com>