Update ruby
Update ruby

Changes:

- https://github.com/docker-library/ruby/commit/cf2a6f3: Merge pull request https://github.com/docker-library/ruby/pull/333 from mtsmfm/3-0-stackbrew
- https://github.com/docker-library/ruby/commit/f5aa185: Update generate-stackbrew-library.sh for Ruby 3.0
- https://github.com/docker-library/ruby/commit/eceb2e6: Merge pull request https://github.com/docker-library/ruby/pull/332 from mtsmfm/3-0
- https://github.com/docker-library/ruby/commit/921f2e6: Ruby 3.0.0 is released

neo-technology/docker-official-images,docker-solr/official-images,neo-technology/docker-official-images,docker-library/official-images,docker-library/official-images,infosiftr/stackbrew,infosiftr/stackbrew,thresheek/official-images,docker-library/official-images,neo-technology/docker-official-images,infosiftr/stackbrew,docker-solr/official-images,docker-library/official-images,neo-technology/docker-official-images,neo-technology/docker-official-images,docker-solr/official-images,infosiftr/stackbrew,docker-library/official-images,dinogun/official-images,31z4/official-images,docker-library/official-images,thresheek/official-images,thresheek/official-images,neo-technology/docker-official-images,dinogun/official-images,thresheek/official-images,31z4/official-images,infosiftr/stackbrew,31z4/official-images,docker-library/official-images,infosiftr/stackbrew,docker-library/official-images,infosiftr/stackbrew,infosiftr/stackbrew,neo-technology/docker-official-images,infosiftr/stackbrew,dinogun/official-images,docker-solr/official-images,infosiftr/stackbrew,thresheek/official-images,thresheek/official-images,dinogun/official-images,31z4/official-images,dinogun/official-images,neo-technology/docker-official-images,31z4/official-images,31z4/official-images,docker-solr/official-images,dinogun/official-images,infosiftr/stackbrew,thresheek/official-images,31z4/official-images,neo-technology/docker-official-images,dinogun/official-images,docker-solr/official-images,neo-technology/docker-official-images,thresheek/official-images,31z4/official-images,docker-solr/official-images,dinogun/official-images,neo-technology/docker-official-images,thresheek/official-images,31z4/official-images,thresheek/official-images,docker-library/official-images,docker-library/official-images,dinogun/official-images,neo-technology/docker-official-images,thresheek/official-images,infosiftr/stackbrew,docker-library/official-images,dinogun/official-images,dinogun/official-images,docker-library/official-images,docker-solr/official-images,docker-solr/official-images,31z4/official-images,docker-library/official-images,neo-technology/docker-official-images,docker-solr/official-images,dinogun/official-images,docker-solr/official-images,thresheek/official-images,dinogun/official-images,infosiftr/stackbrew,docker-solr/official-images,infosiftr/stackbrew,docker-solr/official-images,31z4/official-images,31z4/official-images,docker-solr/official-images,docker-library/official-images,thresheek/official-images,31z4/official-images,31z4/official-images,neo-technology/docker-official-images,thresheek/official-images