* Remove toBeRemovedInVersion from icons and make optional in schema
* fix(build-icons): align alias deprecation type with schema optional removal version
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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
* add columns-cog icon and metadata
* chore: rename columns-cog to columns-3-cog as per maintainer request
* added contributors from the icon this is based on
* Remove not existing category
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Co-authored-by: Eric Fennis <eric.fennis@gmail.com>