MNT: (deps): Bump flake8-quotes from 2.1.1 to 3.2.0 in /ci
MNT: (deps): Bump flake8-quotes from 2.1.1 to 3.2.0 in /ci

Bumps [flake8-quotes](https://github.com/zheller/flake8-quotes) from 2.1.1 to 3.2.0.
- [Release notes](https://github.com/zheller/flake8-quotes/releases)
- [Commits](https://github.com/zheller/flake8-quotes/compare/2.1.1...3.2.0)

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