fix: Reverse migrations order when reverting dev migrations (#167)

Author: ken-kost

lib/migration_generator/migration_generator.ex

@@ -415,6 +415,7 @@ defmodule AshSqlite.MigrationGenerator do
         |> Enum.filter(& &1)
         |> Enum.map(&load_migration!/1)
         |> Enum.sort()
+        |> Enum.reverse()
         |> Enum.filter(fn {version, _} ->
           version in versions
         end)