Reverse dependencies for iostruct

Latest version of the following gems require iostruct

Gem	Version	Date	Downloads
pedump +6.65 Million Downloads	`0.7.6` January 28, 2026	January 28, 2026	6.65 Million
zpng +694 Thousand Downloads	`0.4.6` January 28, 2026	January 28, 2026	694 Thousand
zsteg +674 Thousand Downloads	`0.2.14` January 28, 2026	January 28, 2026	674 Thousand
efivalidate +9.35 Thousand Downloads	`1.2.0` January 08, 2018	January 08, 2018	9.35 Thousand
xaba +3.37 Thousand Downloads	`0.1.1` June 11, 2024	June 11, 2024	3.37 Thousand