<!-- This template is for changes that do not affect the behaviour of the website. Examples: * Changes in CI * Refactoring of code * Technicie-facing documentation --> ### One-sentence description Raven is deprecated and they now have `sentry-sdk`. https://docs.sentry.io/quickstart?platform=python https://docs.sentry.io/platforms/python/django/ ### Why? Shiny features probably won't end up in Raven. Also it seems like it's easier to configure.