[I] [Ruby] `Arrow::Column#size` doesn't work for `Arrow::RecordBatch` [arrow]

[via GitHub]

kou opened a new issue, #45119:
URL: https://github.com/apache/arrow/issues/45119

   ### Describe the bug, including details regarding any error messages, 
version, and platform.
   
   ```ruby
   require "arrow"
   Arrow::RecordBatch.new({"a" => [1, 2, 3]}).columns[0].size
   ```
   
   ```text
   
/tmp/local/lib/ruby/gems/3.4.0+1/gems/red-arrow-19.0.0.SNAPSHOT/lib/arrow/column.rb:62:in
 'Arrow::Column#n_rows': undefined method 'n_rows' for an instance of 
Arrow::UInt8Array (NoMethodError)
   
         @data.n_rows
              ^^^^^^^
        from /tmp/a.rb:2:in '<main>'
   ```
   
   ### Component(s)
   
   Ruby


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