In this case, it should be "itte"（いって）.　

行く（いく・iku）is used for "to go."

行う （おこなう・okonau）is used for "to carry out" or "to do."

You will find quite a few mistakes like this in the furigana. The furigana is probably auto-generated, so it does not always select the correct reading. If you need to use the furigana, I suggest you always compare it to the audio.