Merge pull request #1262 from VWS-Python/dependabot/pip/vulture-1.6

Bump vulture from 1.5 to 1.6

Author: adamtheturtle

dev-requirements.txt

@@ -28,5 +28,5 @@ sphinx-autodoc-typehints==1.11.0
 sphinxcontrib-spelling==5.1.2
 twine==3.2.0
 versioneer==0.18
-vulture==1.5
+vulture==1.6
 yapf==0.30.0  # Automatic formatting for Python