chore(usage telemetry): Freshen up Clearcut logging (#6013)

Co-authored-by: christine betts <chrstn@uw.edu>
Co-authored-by: Jacob Richman <jacob314@gmail.com>
Co-authored-by: matt korwel <matt.korwel@gmail.com>

packages/core/src/mocks/msw.ts

@@ -0,0 +1,9 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { setupServer } from 'msw/node';
+
+export const server = setupServer();