new _type_ argument to update.dev.pkg

[jangorecki]

Closes #3148

[codecov]

Codecov Report

Merging #3150 into master will increase coverage by 0.28%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3150      +/-   ##
==========================================
+ Coverage   92.05%   92.34%   +0.28%     
==========================================
  Files          61       61              
  Lines       11450    11582     +132     
==========================================
+ Hits        10540    10695     +155     
+ Misses        910      887      -23

Impacted Files	Coverage Δ
src/reorder.c	97.43% <0%> (-0.24%)	⬇️
src/assign.c	94.57% <0%> (-0.17%)	⬇️
R/data.table.R	92.74% <0%> (ø)	⬆️
src/fread.c	98.34% <0%> (ø)	⬆️
R/as.data.table.R	94.87% <0%> (+0.04%)	⬆️
src/fsort.c	74.25% <0%> (+0.15%)	⬆️
src/forder.c	99.71% <0%> (+0.77%)	⬆️
R/groupingsets.R	84.26% <0%> (+1.51%)	⬆️
src/subset.c	100% <0%> (+2.74%)	⬆️
R/between.R	100% <0%> (+3.03%)	⬆️
... and 2 more

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