Upgrade HEEx grammar, set HEEx/EEx roots to match Elixir#3959

Merged

archseer merged 1 commit intohelix-editor:masterfrom connorlay:clay-update-heex

Sep 25, 2022

+3-3

Commits on Sep 25, 2022

heex: upgrade grammar, add roots matching elixir
connorlay
committed