Bump pyjwt from 1.5.3 to 2.4.0 in /ICLR2023

Bumps [pyjwt](https://github.com/jpadilla/pyjwt) from 1.5.3 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@1.5.3...2.4.0)

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

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

Author: dependabot[bot]

ICLR2023/requirements.txt

@@ -176,7 +176,7 @@ pycrypto==2.6.1
 pydantic==1.8.2
 Pygments==2.10.0
 PyGObject==3.26.1
-PyJWT==1.5.3
+PyJWT==2.4.0
 pyOpenSSL==17.5.0
 pyparsing==2.4.7
 pyperclip==1.8.2