commit 602a87825e5018eaf0be896fc5929e1a3316c90f
Author: Lukas K <lu@0x83.eu>
Date:   Mon Mar 13 22:32:48 2023 +0100

    step export: omit zero-diameter holes
    
    since opencascade doesn't like them and throws an exception
    
    fixes #709
    
    changelog: Bugfixes/Board Editor: omit zero-diameter holes in STEP
    export to avoid error
