MNT: (deps): Bump importlib-metadata from 2.0.0 to 3.0.0 in /ci
MNT: (deps): Bump importlib-metadata from 2.0.0 to 3.0.0 in /ci

Bumps [importlib-metadata](http://importlib-metadata.readthedocs.io/) from 2.0.0 to 3.0.0.

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
Unidata/MetPy,Unidata/MetPy,dopplershift/MetPy,dopplershift/MetPy