Update CI environment lockfiles#4327

Merged

bjlittle merged 2 commits intomainfrom

auto-update-lockfiles

Sep 30, 2021

Commits on Sep 25, 2021

Updated environment lockfiles
web-flow
committed

Commits on Sep 30, 2021

Support cartopy 0.20 and proj 8.1.0 (#4331)
bjlittle
authored