V48 (impl-only): Fix Error cause options for CI TypeScript target

Avoid new Error(message, { cause }) which fails tsc with Expected 0-1 arguments
on the package lib target used by Gate Quality / api build.

Author: geraldarthurdavis

packages/generic-hosts/VercelSandbox/src/__tests__/vercel-sandbox-host.test.ts

@@ -426,7 +426,8 @@ describe('VercelSandboxPipelineHost', () => {
       response: { status: 400, statusText: 'Bad Request' },
       json: { error: { code: 'invalid_image', message: 'image not found in project' } },
     });
-    const wrapped = new Error('wrapper', { cause: apiError });
+    const wrapped = new Error('wrapper') as Error & { cause?: unknown };
+    wrapped.cause = apiError;
     const message = formatSandboxApiError(wrapped, 'Sandbox.create');
     expect(message).toContain('Sandbox.create failed');
     expect(message).toContain('HTTP 400');

packages/generic-hosts/VercelSandbox/src/vercel-sandbox-host.ts

@@ -82,7 +82,10 @@ export class VercelSandboxPipelineHost {
         message,
         httpStatus,
       });
-      throw new Error(message, { cause: error });
+      // Assign cause without Error constructor options (lib target may be < ES2022).
+      const wrapped = new Error(message) as Error & { cause?: unknown };
+      wrapped.cause = error;
+      throw wrapped;
     }
     const sandboxIdentity = resolveSandboxIdentity(sandbox, createOptions.name);
     await this.emit({