Clear up about refresh token expiration
Clear up about refresh token expiration

Make it clear that refresh_token’s never expire, just the resulting
id_token expire

sandrinodimattia/docs,Catografix/docs,auth0/docs,khorne3/docs,hamzawi06/docs,jeffreylees/docs,khorne3/docs,Annyv2/docs,jeffreylees/docs,jeffreylees/docs,auth0/docs,Annyv2/docs,sandrinodimattia/docs,yvonnewilson/docs,auth0/docs,Catografix/docs,Catografix/docs,Annyv2/docs,hamzawi06/docs,sandrinodimattia/docs,yvonnewilson/docs,yvonnewilson/docs,khorne3/docs,hamzawi06/docs