Bump flake8-bandit from 2.1.2 to 3.0.0

Bumps [flake8-bandit](https://github.com/tylerwince/flake8-bandit) from 2.1.2 to 3.0.0.
- [Release notes](https://github.com/tylerwince/flake8-bandit/releases)
- [Commits](https://github.com/tylerwince/flake8-bandit/commits/v3.0.0)

---
updated-dependencies:
- dependency-name: flake8-bandit
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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