By Amanda Cooper LONDON (Reuters) -Euro zone government bond yields rose on Wednesday, tracking weakness in the UK gilts market after the Bank of England governor gave pension funds and other investors three days to fix their problems before it withdraws support. The BoE has introduced an emergency bond-buying programme in response to a surge in borrowing costs following a package of unfunded tax cuts unveiled by the UK government last month. The programme runs until Friday. Governor Andrew Bailey said on Tuesday it would not run beyond then, though the Financial Times later quoted three sourc…