Switch to master branch for nvim-treesitter

The new main branch, which should be the default branch from now on, does not seem to be stable

group_vars/all/neovim.yml

@@ -21,6 +21,7 @@ neovim_plugins:
     name: 'cmp-nvim-lua'
   - url: 'https://github.com/nvim-treesitter/nvim-treesitter'
     name: 'nvim-treesitter'
+    version: master # main seems broken?
   - url: 'https://github.com/nvim-lua/plenary.nvim'
     name: 'plenary.nvim'
   - url: 'https://github.com/nvim-telescope/telescope-fzf-native.nvim'