Update CI environment lockfiles + Cartopy 0.19 changes#4125

Merged

rcomer merged 2 commits intomasterfrom

auto-update-lockfiles

May 11, 2021

Commits on May 8, 2021

Updated environment lockfiles
trexfeathers
authored

Commits on May 11, 2021

updates for Cartopy 0.19 (#4128)
rcomer
authored