* Update parsers: ocamllex
Update its highlight to make it compatible with the new parser
* highlights(ocamllex): follow newest changes from upstream
The upstream grammar added highlights in the latest version, change our
highlight so they reflect better the intention of the grammar's author
* Comment: use `@combined` to create just one tree per buffer
There is no need to create a tree per line/block for comments.
Should fix https://github.com/nvim-treesitter/nvim-treesitter/issues/1251
* Add injections for scss
* Fix jsonc
* Combine jsdoc