v0.3.9

MLJXGBoostInterface v0.3.9

Diff since v0.3.8

This release restricts XGBoost version to <2.5 because newer XGBoost versions cause the MLJXGBoostInterface to crash.

Merged pull requests:

• Remove some unused variables (#42) (@rikhuijzer)
• Loosen test thresholds (#44) (@rikhuijzer)
• Fix watchlist error via compat (#47) (@rikhuijzer)

Closed issues:

• Tests are broken after update to libxgboost (#43)