(Reuters) – UK’s export-oriented FTSE 100 rose on Friday as miners jumped on hopes that China would relax its COVID-19 restrictions, setting up the index for weekly gains after a week that saw major central bank meetings dictating the market’s moves. The blue-chip FTSE 100 climbed 0.7%, while the mid-cap FTSE 250 added 0.4% by 0816 GMT. Both the indexes were on track for weekly gains in more than a month. Miners jumped 3.2% as investors cheered news that Beijing will relax its strict COVID-19 measures in March. [MKTS/GLOB] Lifting sentiment further, the Bank of England hinted on Thursday that …