ci: update neovim stable

Author: mhanberg

.github/workflows/ci.yml

@@ -1,5 +1,3 @@
-# stolen from nvim-telescope/telescope.nvim
-
 name: Tests
 
 on: [push, pull_request]
@@ -19,7 +17,7 @@ jobs:
             manager: sudo apt-get
             packages: -y fd-find esl-erlang elixir
           - os: ubuntu-20.04
-            url: https://github.com/neovim/neovim/releases/download/v0.7.2/nvim-linux64.tar.gz
+            url: https://github.com/neovim/neovim/releases/download/v0.8.3/nvim-linux64.tar.gz
             manager: sudo apt-get
             packages: -y fd-find esl-erlang elixir
           # - os: macos-11
@@ -62,5 +60,3 @@ jobs:
           export VIM="${PWD}/_neovim/share/nvim/runtime"
           nvim --version
           bin/test
-
-