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

@@ -69,7 +69,7 @@ py==1.8.1                 # via retry
 pyarrow==0.16.0           # via apache-superset
 pycparser==2.20           # via cffi
 pydruid==0.4.4
-pyjwt==1.7.1              # via flask-appbuilder, flask-jwt-extended
+pyjwt==2.4.0              # via flask-appbuilder, flask-jwt-extended
 pyparsing==2.4.7          # via packaging
 pyrsistent==0.16.0        # via jsonschema
 python-dateutil==2.8.1    # via alembic, apache-superset, croniter, flask-appbuilder, pandas