misc(github): ask people to test a11y issues upstream first (#6764)
misc(github): ask people to test a11y issues upstream first (#6764)


GoogleChrome/lighthouse,GoogleChrome/lighthouse,ev1stensberg/lighthouse,deepanjanroy/lighthouse,GoogleChrome/lighthouse,wardpeet/lighthouse,GoogleChrome/lighthouse,deepanjanroy/lighthouse,deepanjanroy/lighthouse,deepanjanroy/lighthouse,umaar/lighthouse,umaar/lighthouse,ev1stensberg/lighthouse,wardpeet/lighthouse,wardpeet/lighthouse,GoogleChrome/lighthouse,wardpeet/lighthouse,ev1stensberg/lighthouse,ev1stensberg/lighthouse,umaar/lighthouse,deepanjanroy/lighthouse,wardpeet/lighthouse,umaar/lighthouse