chore(deps-dev): bump bandit from 1.6.3 to 1.7.0

Bumps [bandit](https://github.com/PyCQA/bandit) from 1.6.3 to 1.7.0.
- [Release notes](https://github.com/PyCQA/bandit/releases)
- [Commits](PyCQA/bandit@1.6.3...1.7.0)

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

Author: dependabot-preview[bot]

poetry.lock

@@ -41,7 +41,7 @@ docformatter = "^1.3"
 mypy = "^0.790"
 pytest-cov = "^2.10"
 coveralls = "^2.2"
-bandit = "^1.6"
+bandit = "^1.7"
 
 [tool.poetry.extras]
 docs = ["sphinx", "sphinx-autodoc-typehints", "toml"]