feat(nomad_lsp): do not use lspconfig.util

Author: TheRealLorenz

lsp/nomad_lsp.lua

@@ -16,7 +16,6 @@
 ---
 --- Description of your jobs should be written in `.nomad` files for the LSP client to configure the server's `root_dir` configuration option.
 
-local util = require 'lspconfig.util'
 local bin_name = 'nomad-lsp'
 
 if vim.fn.has 'win32' == 1 then
@@ -27,7 +26,8 @@ return {
   cmd = { bin_name },
   filetypes = { 'hcl.nomad', 'nomad' },
   root_dir = function(bufnr, on_dir)
-    local fname = vim.api.nvim_buf_get_name(bufnr)
-    on_dir(util.root_pattern '*.nomad'(fname))
+    on_dir(vim.fs.root(bufnr, function(name, _)
+      return vim.glob.to_lpeg('*.nomad'):match(name) ~= nil
+    end))
   end,
 }