chore(deps): bump flake8-docstrings in /dev_requirements (#707)

Bumps [flake8-docstrings](https://github.com/pycqa/flake8-docstrings) from 1.6.0 to 1.7.0.

Author: dependabot[bot]

dev_requirements/linter-requirements.txt

@@ -2,7 +2,7 @@ bandit==1.7.2
 black==22.3.0
 doc8==0.10.1
 flake8==4.0.1
-flake8-docstrings==1.6.0
+flake8-docstrings==1.7.0
 flake8-isort==4.1.1
 # https://github.com/JBKahn/flake8-print/pull/30
 flake8-print==4.0.0