Update rubygem-red-datasets to version 0.1.5 / rev 3 via SR 1010080
    
    https://build.opensuse.org/request/show/1010080
    by user coolo + dimstar_suse
    updated to version 0.1.5
     see installed news.md
      ## 0.1.5 - 2022-09-22
    
      ### Improvements
    
        * `Datasets::PMJTDatasetList`: Added.
          [GitHub#107][Patch by okadak]
    
        * `Datasets::AozoraBunko`: Added.
          [GitHub#108][Patch by Masa]
    
        * Added how to develop to README
          [GitHub#117][Patch by abcdefg-1234567]
    
        * `Datasets::FuelEconomy`: Added.
          [GitHub#114][Patch by Benson Muite]
    
        * `Datasets::Geolonia`: Added.
          [GitHub#118][Patch by abcdefg-1234567]
    
        * `Datasets::Diamonds`: Added.
          [GitHub#110][Patch by Benson Muite]
    
        * `Datasets::ITACorpus`: Added.
          [GitHub#119][Patch by abcdefg-1234567]
    
        * `Datasets::KuzushijiMNIST`: Added.
          [GitHub#125][Patch by abcdefg-1234567]
    
        * Updated list of datasets in README.