feat(types): 调整IReturnProcessInfo的nextProcessReferenceID属性

types/src/interface/process.ts

@@ -305,7 +305,7 @@ export interface IReturnInfo {
 }
 
 export interface IReturnProcessInfo {
-  nextProcessReferenceID: string;
+  nextProcessReferenceID?: string;
   rule?: 'skip' | 'restart';
 }