Update to Whitenoise 5.3.0 (#2081)

This should fix the following error [1], according to [2]:

    TypeError '>=' not supported between instances of 'NoneType' and 'tuple'

Dependabot did not catch this upgrade, because it is watching an
outdated repo [3].

[1] https://sentry.prod.mozaws.net/share/issue/e36430063a614ef3ae3dc8a377c1b5c6/
[2] https://whitenoise.evans.io/en/stable/changelog.html#id4
[3] https://github.com/github-community/community/discussions/17563

requirements.txt

@@ -27,7 +27,7 @@ python-decouple==3.6
 pyOpenSSL==22.0.0
 requests==2.25.1
 sentry-sdk==1.5.12
-whitenoise==5.0.1
+whitenoise==5.3.0
 
 # phones app
 # phonenumbers==8.11.1