Backport fixes for ex_cldr 2.37.0 and help names

lib/cldr/route.ex

@@ -522,8 +522,12 @@ defmodule Cldr.Route do
     end)
   end
 
-  defp locales_from_unique_gettext_locales(cldr_backend) do
+  @meta_locales [:und, :en_001]
+
+  @doc false
+  def locales_from_unique_gettext_locales(cldr_backend) do
     cldr_backend.known_locale_names()
+    |> Enum.reject(&(&1 in @meta_locales))
     |> Enum.map(&cldr_backend.validate_locale/1)
     |> Enum.map(&elem(&1, 1))
     |> Enum.uniq_by(& &1.gettext_locale_name)

mix.exs

@@ -52,8 +52,8 @@ defmodule CldrRoutes.MixProject do
 
   defp deps do
     [
-      {:ex_cldr, "~> 2.32"},
-      {:phoenix, "~> 1.6"},
+      {:ex_cldr, "~> 2.37"},
+      {:phoenix, "~> 1.7"},
       {:phoenix_live_view, "~> 0.18", optional: true},
       {:jason, "~> 1.0"},
       {:gettext, "~> 0.19"},