Bump bottle from 0.12.7 to 0.12.20
Bump bottle from 0.12.7 to 0.12.20

Bumps [bottle](https://github.com/bottlepy/bottle) from 0.12.7 to 0.12.20.
- [Release notes](https://github.com/bottlepy/bottle/releases)
- [Changelog](https://github.com/bottlepy/bottle/blob/master/docs/changelog.rst)
- [Commits](https://github.com/bottlepy/bottle/compare/0.12.7...0.12.20)

---
updated-dependencies:
- dependency-name: bottle
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
Kellel/bottle-cas