Bump pyjwt from 2.3.0 to 2.4.0 in /api

Bumps [pyjwt](https://github.com/jpadilla/pyjwt) from 2.3.0 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/2.3.0...2.4.0)

---
updated-dependencies:
- dependency-name: pyjwt
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

api/requirements.txt

@@ -4,7 +4,7 @@ uwsgi==2.0.20
 Flask_SQLAlchemy==2.5.1
 python-dotenv==0.20.0
 pymysql==1.0.2
-pyjwt==2.3.0
+pyjwt==2.4.0
 apiflask==1.0.0
 flask-cors==3.0.10
 bcrypt==3.2.2