Bump pygments from 2.7.0 to 2.7.1

Bumps [pygments](https://github.com/pygments/pygments) from 2.7.0 to 2.7.1.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.7.0...2.7.1)

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

Author: dependabot-preview[bot]

requirements.txt

@@ -4,7 +4,7 @@ chardet==3.0.4
 docutils==0.16
 idna==2.10
 pkginfo==1.5.0.1
-Pygments==2.7.0
+Pygments==2.7.1
 readme-renderer==26.0
 requests==2.24.0
 requests-toolbelt==0.9.1