[7.x] [Dependencies]: upgrade react to latest v16.12.0 (#51145)#51868

Merged

patrykkopycinski merged 1 commit intoelastic:7.xfrom patrykkopycinski:backport/7.x/pr-51145

Nov 28, 2019

+2,676-2,553

Commits on Nov 28, 2019

[Dependencies]: upgrade react to latest v16.12.0 (elastic#51145 )

sebelga
authored and
patrykkopycinski
committed