By Anna Wlodarczak-Semczuk WARSAW (Reuters) – Poland’s central bank is not nearing the end of its policy tightening cycle and will keep raising the cost of credit until it sees a lasting decrease in inflation, its governor said on Friday, after it hiked rates less than expected. Thursday’s decision to raise the main rate by 75 basis points rather than the 100 forecast by analysts sent the zloty currency tumbling and raised speculation that concerns over the effect of the war in Ukraine on growth could mean the central bank stops tightening sooner that previously thought. “The Monetary Policy C…