Merge pull request #414 from nexB/dependabot/pip/pygments-2.7.4

Bump pygments from 2.6.1 to 2.7.4

Author: sbs2001

requirements.txt

@@ -34,7 +34,7 @@ ptyprocess==0.6.0
 py==1.8.0
 pycparser==2.20
 pygit2==1.5.0
-Pygments==2.6.1
+Pygments==2.7.4
 pyparsing==2.4.5
 pytest==5.3.2
 django-widget-tweaks==1.4.8