Auto merge of #4128 - Turbo87:sentry-domains, r=locks
Auto merge of #4128 - Turbo87:sentry-domains, r=locks

sentry: Use `allowUrls` option to filter out errors in injected scripts

This is based on https://dzone.com/articles/6-tips-for-reducing-javascript-error-noise and filters out errors from e.g. broken browser extensions. It ensures that we only report errors that originate in the scripts served by our own servers.

rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io