updated typescript and esbuild. Fixed typescript issue

[waylandli]

Problem

[Github Issue #30 ]
We want to update esbuild and typescript to later versions

Solution

I ran npm install typescript@latest and npm install esbuild@latest

Change summary:

• Ran updates
• Fixed new typescript issue where caught errors are seen as unknown

Steps to Verify:

1. All tests run
2. Building with esbuild still works