(2) An affidavit submitted to a court in support of a petition for approval of settlement of a personal injury claim of an incapacitated person, a minor or a decedent is confidential. The caption of the affidavit must state that the affidavit is confidential. The affidavit is not subject to inspection except pursuant to a court order entered after a showing of good cause. [2018 c.59 §1]