Replaces the values of sensitive keys anywhere inside event data with "[REDACTED]".
The server does the same, but the wire is the first place a secret can leak, so it happens
here too. Matching is case-insensitive and treats - and _ alike. Add keys with
config :boop_ex, redact_keys: ["ssn"].
Summary
Functions
The keys redacted by default.
Redacts data recursively. extra adds to the default key list.