Bump pyjwt from 2.1.0 to 2.4.0

Bumps [pyjwt](https://github.com/jpadilla/pyjwt) from 2.1.0 to 2.4.0.
- [Release notes](https://github.com/jpadilla/pyjwt/releases)
- [Changelog](https://github.com/jpadilla/pyjwt/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/jpadilla/pyjwt/compare/2.1.0...2.4.0)

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

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

requirements.txt

@@ -44,7 +44,7 @@ Pillow==8.3.2
 pluggy==1.0.0
 prompt-toolkit==3.0.20
 Pygments==2.10.0
-PyJWT==2.1.0
+PyJWT==2.4.0
 python-dateutil==2.8.2
 python-editor==1.0.4
 pytz==2021.1