v11: Update ESMA_env to 5.21.0#1051

mathomp4 wants to merge 2 commits intomainGEOS-ESM/GEOSgcm:mainfrom

feature/v11-update-esmaenv-5.20.0GEOS-ESM/GEOSgcm:feature/v11-update-esmaenv-5.20.0Copy head branch name to clipboard