Fix CI: replace deprecated Docker actions with ruby/setup-ruby#21

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kitcommerce wants to merge 3 commits intonextfrom

fix-ci-ruby-27-actions

Commits on Mar 2, 2026

Fix CI: replace deprecated Docker actions with ruby/setup-ruby
Kit (OpenClaw)
committed
CI: reference workarea@next for dependency resolution
Kit
committed
CI: fix duplicate branch parameter, use workarea@next
Kit
committed