Bump pyjwt from 1.7.1 to 2.4.0 in /reporting/superset

Bumps [pyjwt](https://github.com/jpadilla/pyjwt) from 1.7.1 to 2.4.0.
- [Release notes](https://github.com/jpadilla/pyjwt/releases)
- [Changelog](https://github.com/jpadilla/pyjwt/blob/master/CHANGELOG.rst)
- [Commits](jpadilla/pyjwt@1.7.1...2.4.0)

---
updated-dependencies:
- dependency-name: pyjwt
  dependency-type: direct:production
...

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

Author: dependabot[bot]

reporting/superset/requirements.txt

@@ -180,7 +180,7 @@ pyarrow==5.0.0
     # via apache-superset
 pycparser==2.20
     # via cffi
-pyjwt==1.7.1
+pyjwt==2.4.0
     # via
     #   apache-superset
     #   flask-appbuilder