Fix pypi upload action

Merge pull request Unidata#1483 from jthielen/cartopy-to-pyproj-calc

Use PyProj instead of Cartopy for internal coordinate transforms and rename crs coordinate

CI: Add workflow for publishing to PyPI

This works only when a new release is published.

Merge pull request Unidata#1355 from dopplershift/0.12-backports

More backports for 0.12

MNT: PyPI status classifier needs to be beta for RC release

MNT: Update mailmap

Merge pull request Unidata#1210 from akrherz/avoid_pint_trouble

avoid pint trouble with np.asarray

Merge pull request Unidata#1182 from dopplershift/rearrange

Update Project Layout

remove link to ejssm article

Merge pull request Unidata#989 from dopplershift/declarative

Declarative/simplified plotting