Bump open_api_spex from 3.21.2 to 3.21.4#18

dependabot[bot] wants to merge 1 commit intomainmmilk23/image_unmirrorer:mainfrom

dependabot/hex/open_api_spex-3.21.4mmilk23/image_unmirrorer:dependabot/hex/open_api_spex-3.21.4Copy head branch name to clipboard