alan-turing-institute/MLJ.jl: v0.14.0

Diff since v0.13.0

Closed issues:

• Adopt and update XGBoost.jl wrappers (#116)
• Options to Select the "Best" Hyperparameter (#487)
• Correlated predictions for Probabilistic models (#552)
• MLJ_VERSION ci test fails on julia >=1.4 (#660)

Merged pull requests:

• Doc tweaks. No new release (#655) (@ablaom)
• tweak lightning tour to avoid model/machine confusion (#656) (@ablaom)
• MLJTuning update (#658) (@ablaom)
• For a 0.15 release (#659) (@ablaom)