Add release notes for #2493
Add release notes for #2493

ChristopherDavenport/http4s,aeons/http4s,ChristopherDavenport/http4s,rossabaker/http4s,ChristopherDavenport/http4s,aeons/http4s,rossabaker/http4s,http4s/http4s,aeons/http4s