message: Add missing invoice events
diff: @@ -87,14 +87,26 @@ pub enum EventType {
  FileCreated,
  #[serde(rename = "invoice.created")]
  InvoiceCreated,
  + #[serde(rename = "invoice.deleted")]
  + InvoiceDeleted,
  + #[serde(rename = "invoice.finalized")]
  + InvoiceFinalized,
  + #[serde(rename = "invoice.marked_uncollectible")]
  + InvoiceMarkedUncollectible,
  + #[serde(rename = "invoice.payment_action_required")]
  + InvoicePaymentActionRequired,
  #[serde(rename = "invoice.payment_failed")]
  InvoicePaymentFailed,
  #[serde(rename = "invoice.payment_succeeded")]
  InvoicePaymentSucceeded,
  + #[serde(rename = "invoice.sent")]
  + InvoiceSent,
  #[serde(rename = "invoice.updated")]
  InvoiceUpdated,
  #[serde(rename = "invoice.upcoming")]
  InvoiceUpcoming,
  + #[serde(rename = "invoice.voided")]
  + InvoiceVoided,
  #[serde(rename = "invoiceitem.created")]
  InvoiceItemCreated,
  #[serde(rename = "invoiceitem.deleted")]
  