feat: add v5.8.0 package updates

apis/exception.ts

@@ -11,5 +11,14 @@ export class ApiException<T> extends Error {
     public constructor(public code: number, message: string, public body: T, public headers: { [key: string]: string; }) {
         super("HTTP-Code: " + code + "\nMessage: " + message + "\nBody: " + JSON.stringify(body) + "\nHeaders: " +
         JSON.stringify(headers))
+        // Defensive: native `class extends Error` under our ES2020 emit
+        // preserves the prototype chain correctly, so this is a no-op for
+        // direct consumers of `dist/`. We keep it for consumers who
+        // re-transpile our emit down to ES5 via Babel/webpack/swc/etc. —
+        // the `__extends` helper emitted under ES5 can't fix `this` after
+        // `super()` returns, and `err instanceof ApiException` would then
+        // be `false` at runtime. Survives downleveling at zero runtime cost.
+        // Reference: https://github.com/microsoft/TypeScript-wiki/blob/main/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work
+        Object.setPrototypeOf(this, ApiException.prototype);
     }
 }