docs(git_status): add missing opt expand_dir (#2824)

* docs(git_status): add missing opt `expand_dir`

* [docgen] Update doc/telescope.txt
skip-checks: true

---------

Co-authored-by: Github Actions <actions@github>

lua/telescope/builtin/__git.lua

@@ -365,12 +365,13 @@ git.status = function(opts)
     return
   end
 
+  local args = { "status", "--porcelain=v1", "--", "." }
+
   local gen_new_finder = function()
-    local expand_dir = vim.F.if_nil(opts.expand_dir, true)
-    local git_cmd = git_command({ "status", "--porcelain=v1", "--", "." }, opts)
-    if expand_dir then
-      table.insert(git_cmd, #git_cmd - 1, "-u")
+    if vim.F.if_nil(opts.expand_dir, true) then
+      table.insert(args, #args - 1, "-uall")
     end
+    local git_cmd = git_command(args, opts)
     opts.entry_maker = vim.F.if_nil(opts.entry_maker, make_entry.gen_from_git_status(opts))
     return finders.new_oneshot_job(git_cmd, opts)
   end

lua/telescope/builtin/init.lua

@@ -216,6 +216,7 @@ builtin.git_branches = require_on_exported_call("telescope.builtin.__git").branc
 ---@field use_file_path boolean: if we should use the current buffer git root (default: false)
 ---@field use_git_root boolean: if we should use git root as cwd or the cwd (important for submodule) (default: true)
 ---@field git_icons table: string -> string. Matches name with icon (see source code, make_entry.lua git_icon_defaults)
+---@field expand_dir boolean: pass flag `-uall` to show files in untracked directories (default: true)
 builtin.git_status = require_on_exported_call("telescope.builtin.__git").status
 
 --- Lists stash items in current repository