Configure ransack to error on unknown conditions to detect abuse early

[eliotsykes]

Ransack.configure do |c|
  # Raise errors if a query contains an unknown predicate or attribute.
  # Default is true (do not raise error on unknown conditions).
  c.ignore_unknown_conditions = false
end

Source: https://activerecord-hackery.github.io/ransack/going-further/other-notes/#handling-unknown-predicates-or-attributes