Bump pyjwt from 1.7.1 to 2.4.0 in /src/azure-cli

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](https://github.com/jpadilla/pyjwt/compare/1.7.1...2.4.0)

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

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

src/azure-cli/requirements.py3.Darwin.txt

@@ -119,7 +119,7 @@ portalocker==1.7.1
 psutil==5.8.0
 pycparser==2.19
 PyGithub==1.38
-PyJWT==1.7.1
+PyJWT==2.4.0
 PyNaCl==1.4.0
 pyOpenSSL==19.0.0
 python-dateutil==2.8.0

src/azure-cli/requirements.py3.Linux.txt

@@ -119,7 +119,7 @@ portalocker==1.7.1
 psutil==5.8.0
 pycparser==2.19
 PyGithub==1.38
-PyJWT==1.7.1
+PyJWT==2.4.0
 PyNaCl==1.4.0
 pyOpenSSL==19.0.0
 python-dateutil==2.8.0

src/azure-cli/requirements.py3.windows.txt

@@ -118,7 +118,7 @@ portalocker==1.7.1
 psutil==5.8.0
 pycparser==2.19
 PyGithub==1.38
-PyJWT==1.7.1
+PyJWT==2.4.0
 PyNaCl==1.4.0
 pyOpenSSL==19.0.0
 pyreadline==2.1