set_engine api changes

[topepo]

No description provided.

[codecov-io]

Codecov Report

Merging #101 into master will increase coverage by 1.83%.
The diff coverage is 89.74%.

@@            Coverage Diff             @@
##           master     #101      +/-   ##
==========================================
+ Coverage    71.9%   73.74%   +1.83%     
==========================================
  Files          31       31              
  Lines        2235     2262      +27     
==========================================
+ Hits         1607     1668      +61     
+ Misses        628      594      -34

Impacted Files	Coverage Δ
R/predict.R	76.38% <ø> (ø)	⬆️
R/convert_data.R	87.64% <ø> (ø)	⬆️
R/translate.R	73.68% <100%> (+0.95%)	⬆️
R/multinom_reg.R	77.5% <100%> (-1.25%)	⬇️
R/varying.R	89.85% <100%> (ø)	⬆️
R/logistic_reg.R	66.34% <100%> (-1.23%)	⬇️
R/boost_tree.R	83.83% <100%> (+0.24%)	⬆️
R/linear_reg.R	75% <100%> (-0.87%)	⬇️
R/nearest_neighbor.R	72.34% <100%> (+2.12%)	⬆️
R/descriptors.R	57.76% <20%> (ø)	⬆️
... and 13 more

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[github-actions]

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