message: Fix `RiskLevel::Other` should still be `Unknown`
diff: @@ -70,10 +70,12 @@ pub enum RiskLevel {
  Highest,
  NotAssessed,
  - /// A variant not yet supported by the library.
  - /// It is an error to send `Other` as part of a request.
  - #[serde(other, skip_serializing)]
  - Other,
  + /// An unknown risk level.
  + ///
  + /// May also be a variant not yet supported by the library.
  + #[serde(other)]
  + #[serde(rename = "unknown")]
  + Unknown,
  }
  /// An enum representing the possible values of a `ChargeOutcome`'s `reason` field.
  