Bump vulture from 1.2 to 1.3

Bumps [vulture](https://github.com/jendrikseipp/vulture) from 1.2 to 1.3.
- [Release notes](https://github.com/jendrikseipp/vulture/releases)
- [Changelog](https://github.com/jendrikseipp/vulture/blob/master/CHANGELOG.md)
- [Commits](jendrikseipp/vulture@v1.2...v1.3)

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

Author: dependabot-preview[bot]

dev-requirements.txt

@@ -29,5 +29,5 @@ sphinx-autodoc-typehints==1.10.3
 sphinxcontrib-spelling==4.3.0
 twine==3.1.1
 versioneer==0.18
-vulture==1.2
+vulture==1.3
 yapf==0.29.0  # Automatic formatting for Python