Bump seaborn from 0.11.1 to 0.12.2

Bumps [seaborn](https://github.com/mwaskom/seaborn) from 0.11.1 to 0.12.2.
- [Release notes](https://github.com/mwaskom/seaborn/releases)
- [Commits](mwaskom/seaborn@v0.11.1...v0.12.2)

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

Signed-off-by: dependabot[bot] <[email protected]>