message: Properly mark ExpectedAudiences as deprecated.
  See:
diff: @@ -29,7 +29,6 @@ const (
  type ValidatorOpts struct {
  ExpectedTypeHeader *string
  ExpectedIssuer *string
  - ExpectedAudiences *string // deprecated. Use ExpectedAudience instead.
  ExpectedAudience *string
  IgnoreTypeHeader bool
  @@ -41,6 +40,9 @@ type ValidatorOpts struct {
  ClockSkew time.Duration
  FixedNow time.Time
  +
  + // Deprecated: Use ExpectedAudience instead.
  + ExpectedAudiences *string
  }
  // Validator defines how JSON Web Tokens (JWT) should be validated.
  