build(deps): bump flower from 0.9.7 to 1.2.0

Bumps [flower](https://github.com/mher/flower) from 0.9.7 to 1.2.0.
- [Release notes](https://github.com/mher/flower/releases)
- [Commits](mher/flower@v0.9.7...v1.2.0)

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

Signed-off-by: dependabot[bot] <support@github.com>