Bump sphinx-notfound-page from 0.8 to 0.8.3 (cherry picked from commit 747dc4f30efeed6880bd6a0c90740459d82a6ec4)
@@ -10,7 +10,7 @@ sphinx_rtd_theme==1.0.0
sphinx-tabs==3.3.1
# Custom 404 error page (more useful than the default)
-sphinx-notfound-page==0.8
+sphinx-notfound-page==0.8.3
# Adds Open Graph tags in the HTML `<head>` tag
sphinxext-opengraph==0.6.3