Otherwise `treesit--install-language-grammar-1` will throw an arity error on Emacs <=30.x when installing grammars. Fix: #8393
BREAKING CHANGE: This rewrites the :tools tree-sitter module to use treesit instead of tree-sitter.el. Users will need to adapt to treesit and remove any tree-sitter-specific config in their dotfiles. Ref: #7623 Ref: #7742 Ref: #8197
