Support server side PII scrubbing

Sentry client SDKs provide some PII scrubbing. GlitchTip could provide additional service side PII scrubbing.

Use cases

• While a poor practice, an application might store PII as query params. It would be nice to scrub these.

Questions

• Would there be end user configuration of scrubbing rules? How would this work?
• Would there be any sort of machine learning algorithm applied? I would think not unless it was funded by an organization.
• Are there simple heuristics we could apply to scrub more obvious PII values without a large effort?
• Could there be options to simply not store large swaths of data? For example, store no tags at all. Or no query params.
• Would end to end encryption solve the problem?