By Stephen Jewkes MILAN (Reuters) -Italian energy group Eni said on Friday it could provide extra gas to Europe to help reduce reliance on Russian supplies after Moscow’s invasion of Ukraine. Eni made the pledge as it set out its strategy to 2025, promising investors better returns and vowing to pick up the pace on its climate ambition to be carbon neutral by 2050. “We are leveraging our global upstream business and partnerships with producing countries to find alternative supply opportunities for Europe,” Chief Executive Claudio Descalzi told a conference call. The European Union, which relie…