Bump pyjwt from 1.7.1 to 2.4.0

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]

requirements.txt

@@ -8,7 +8,7 @@ pillow==8.3.2
 aws-requests-auth==0.4.2
 requests_aws4auth==0.9
 elasticsearch==6.2.0
-pyjwt==1.7.1
+pyjwt==2.4.0
 pycryptodome==3.8.2
 requests==2.21.0
 requests_oauthlib==1.2.0