update js flow

Author: lisicky

rust/pkg/cardano_serialization_lib.js.flow

@@ -426,6 +426,14 @@ declare export var ScriptSchema: {|
   +Node: 1, // 1
 |};
 
+/**
+ */
+
+declare export var CborContainerType: {|
+  +Array: 0, // 0
+  +Map: 1, // 1
+|};
+
 /**
  */
 declare export class Address {
@@ -9130,6 +9138,11 @@ declare export class TransactionOutput {
    * @returns {TransactionOutput}
    */
   static new(address: Address, amount: Value): TransactionOutput;
+
+  /**
+   * @returns {number | void}
+   */
+  serialization_format(): number | void;
 }
 /**
  */