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/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