ZAPORIZHZHIA, Ukraine (Reuters) – Yaryna Herashchenko had not heard from her boyfriend since he surrendered in May when the steelworks he was defending in southeast Ukraine fell to Russian forces – but on Thursday she finally got the message she had so longed to hear. “Good morning once again, my darling! At the moment everything is good here,” Ihor, 32, said in an audio message to Herashchenko after his release along with more than 200 other Ukrainians in a prisoner swap on Wednesday with Russia. Asked how she felt on getting news about the swap, Herashchenko said: “Happiness, shock, tears, j…