Bump pyparsing from 2.4.6 to 2.4.7

Bumps [pyparsing](https://github.com/pyparsing/pyparsing) from 2.4.6 to 2.4.7.
- [Release notes](https://github.com/pyparsing/pyparsing/releases)
- [Changelog](https://github.com/pyparsing/pyparsing/blob/master/CHANGES)
- [Commits](pyparsing/pyparsing@pyparsing_2.4.6...pyparsing_2.4.7)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

requirements.txt

@@ -16,7 +16,7 @@ packaging==20.3
 pathtools==0.1.2
 port-for==0.3.1
 Pygments==2.6.1
-pyparsing==2.4.6
+pyparsing==2.4.7
 pytz==2019.3
 PyYAML==5.3.1
 requests==2.23.0