New version of xgboost colab to run using hosted runtime

[gretaabib]

To make it easier to run xgboost, create a new colab version to run using hosted runtime

[gretaabib]

New version created and committed on github: xgboost/hosted_runtime

[gretaabib]

Ben reported the following bugs related to this version:

• [x] missing the declaration of bds

[gretaabib]

Done, code: https://github.com/tnc-br/ddf-isoscapes/blob/main/xgboost/hosted_runtime/xgboost_hosted_runtime.ipynb