upgrade constant

String const upgrade

Implementation

static const String upgrade =
    '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="24" height="24" preserveAspectRatio="xMidYMid meet" viewBox="0 0 24 24"><path fill="currentColor" stroke="currentColor" stroke-width="2" d="M12 18V8v10Zm0 5c6.075 0 11-4.925 11-11S18.075 1 12 1 1 5.925 1 12s4.925 11 11 11Zm5-11-5-5-5 5"/></svg>';