docs(api): vim.version.range():has() method #31622

Problem:
The :has() method of the vim.version.range() result is not documented
though it's mentioned in examples.

Solution:
Mention it in the range() result doc.

runtime/doc/lua.txt

@@ -3998,6 +3998,7 @@ vim.version.range({spec})                                *vim.version.range()*
         (`table?`) A table with the following fields:
         • {from} (`vim.Version`)
         • {to}? (`vim.Version`)
+        • {has} (`fun(self: vim.VersionRange, version: string|vim.Version)`)
 
     See also: ~
       • https://github.com/npm/node-semver#ranges

runtime/lua/vim/version.lua

@@ -227,8 +227,7 @@ end
 ---@field to? vim.Version
 local VersionRange = {}
 
---- @private
----
+---@nodoc
 ---@param version string|vim.Version
 function VersionRange:has(version)
   if type(version) == 'string' then