By Huw Jones LONDON (Reuters) -European Union member states have backed a temporary watering down and two-year delay to 2025 for the final leg of the globally agreed Basel III bank capital rules, despite the ECB warning they risked “cracking the dyke” that protects stability. EU states will now negotiate a final deal with the European Parliament in early 2023, with further changes possible. “One of our main goals was to avoid impacts on European banks that could reduce their ability to finance the European economy,” Czech finance minister Zbynek Stanjura told a meeting of EU finance ministers …