Fix errors due to new token format

Author: rrrene

lib/credo/code/interpolation_helper.ex

@@ -84,8 +84,8 @@ defmodule Credo.Code.InterpolationHelper do
   # Elixir >= 1.11.0
   #
   defp map_interpolations(
-         {:sigil, {_line_no, _col_start, nil}, _, list, _empty_list, nil, _another_binary} =
-           token,
+         {:sigil, {_line_no, _col_start, _end_position}, _, list, _empty_list, nil,
+          _another_binary} = token,
          source
        ) do
     handle_atom_string_or_sigil(token, list, source)

lib/credo/code/token.ex

@@ -75,7 +75,10 @@ defmodule Credo.Code.Token do
   end
 
   # Elixir >= 1.10.0 sigil syntax
-  def position({:sigil, {line_no, col_start, nil}, _, atom_or_charlist, _list, _number, _binary}) do
+  def position(
+        {:sigil, {line_no, col_start, _end_position}, _, atom_or_charlist, _list, _number,
+         _binary}
+      ) do
     position_tuple_for_quoted_string(atom_or_charlist, line_no, col_start)
   end