chore: Add optional sentry error reporting

Exceptions are reported to sentry if the environment variable ERROR_REPORTING is set to True. If it is set to false or not set, no data is sent to sentry.

requirements.txt

 Django==5.1.3
-whitenoise==6.7.0
+whitenoise==6.8.2
 gunicorn==23.0.0
 sentry-sdk[django]==2.18.0