Merge pull request #1237 from VWS-Python/dependabot/pip/sphinxcontrib-spelling-5.1.1

Bump sphinxcontrib-spelling from 5.1.0 to 5.1.1

Author: adamtheturtle

dev-requirements.txt

@@ -26,7 +26,7 @@ pyroma==2.6  # Packaging best practices checker
 pytest-cov==2.10.0  # Measure code coverage
 pytest==5.4.3  # Test runners
 sphinx-autodoc-typehints==1.10.3
-sphinxcontrib-spelling==5.1.0
+sphinxcontrib-spelling==5.1.1
 twine==3.1.1
 versioneer==0.18
 vulture==1.5