Bump bandit from 1.6.2 to 1.6.3 (#652)

Bumps [bandit](https://github.com/PyCQA/bandit) from 1.6.2 to 1.6.3.
- [Release notes](https://github.com/PyCQA/bandit/releases)
- [Commits](PyCQA/bandit@1.6.2...1.6.3)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/requirements_dev.txt

@@ -1,6 +1,6 @@
 # https://github.com/HypothesisWorks/hypothesis/issues/2113 
 attrs>=19.2.0
-bandit==1.6.2
+bandit==1.6.3
 black==20.8b1
 dlint==0.11.0
 flake8==3.8.4