refactor(lsp): move glob parsing to util (#26519)

refactor(lsp): move glob parsing to vim.glob

Moving the logic for using vim.lpeg to create a match pattern from a
glob into `vim.glob`. There are several places in the LSP spec that
use globs, and it's very useful to have glob matching as a
generally-available utility.

runtime/lua/vim/_meta.lua

@@ -11,6 +11,7 @@ vim.diagnostic = require('vim.diagnostic')
 vim.filetype = require('vim.filetype')
 vim.fs = require('vim.fs')
 vim.func = require('vim.func')
+vim.glob = require('vim.glob')
 vim.health = require('vim.health')
 vim.highlight = require('vim.highlight')
 vim.iter = require('vim.iter')