MNT: (deps): Bump flake8-simplify from 0.18.2 to 0.19.2 in /ci
MNT: (deps): Bump flake8-simplify from 0.18.2 to 0.19.2 in /ci

Bumps [flake8-simplify](https://github.com/MartinThoma/flake8-simplify) from 0.18.2 to 0.19.2.
- [Release notes](https://github.com/MartinThoma/flake8-simplify/releases)
- [Changelog](https://github.com/MartinThoma/flake8-simplify/blob/master/CHANGELOG.md)
- [Commits](https://github.com/MartinThoma/flake8-simplify/compare/0.18.2...0.19.2)

---
updated-dependencies:
- dependency-name: flake8-simplify
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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