fix: add require 'ostruct' for Ruby 3.2+ compatibility (#296) #259

Job	Run time
lint-unit / runner / linkspector	45s
lint-unit / runner / yamllint	9s
lint-unit / runner / Cookstyle	30s
lint-unit / runner / markdownlint	6s
lint-unit / runner / RSpec ubuntu-latest	26s
lint-unit / runner / Check Metadata	0s
integration (fedora-latest, default)	2m 30s
integration (centos-7, default)	27s
integration-windows (windows-latest, windows)	6h 5m 1s
integration (almalinux-8, default)	1m 56s
integration (debian-10, default)	29s
integration (rockylinux-8, default)	2m 27s
integration-macos (macos-latest, default)	1m 20s
integration (ubuntu-2004, default)	2m 17s
integration (debian-11, default)	27s
integration (ubuntu-1804, default)	26s
integration (opensuse-leap-15, default)	3m 20s
integration (centos-stream-8, default)	27s
integration (amazonlinux-2, default)	2m 10s
	6h 25m 13s

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