refactor(lua): deprecate tbl_flatten #28457

forgot some changes in 9912a4c81b

runtime/doc/deprecated.txt

@@ -173,6 +173,7 @@ LUA
 - *vim.pretty_print()*			Use |vim.print()| instead.
 - *vim.loop*				Use |vim.uv| instead.
 - *vim.tbl_add_reverse_lookup()*
+- *vim.tbl_flatten()*			Use |Iter:flatten()| instead.
 - *vim.tbl_islist()*			Use |vim.islist()| instead.
 
 NORMAL COMMANDS

runtime/doc/news.txt

@@ -565,6 +565,7 @@ release.
 
 • Lua stdlib:
   - |vim.tbl_add_reverse_lookup()|
+  - |vim.tbl_flatten()|
   - |vim.tbl_islist()|
 
  vim:tw=78:ts=8:sw=2:et:ft=help:norl:

runtime/lua/vim/shared.lua

@@ -553,6 +553,7 @@ end
 ---@param t table List-like table
 ---@return table Flattened copy of the given list-like table
 function vim.tbl_flatten(t)
+  vim.deprecate('vim.tbl_flatten', 'vim.iter(…):flatten():totable()', '0.12')
   local result = {}
   --- @param _t table<any,any>
   local function _tbl_flatten(_t)