fix: broken url replaced with a working url

[AB7zz]

The URL for noir-starter example redirected to a broken URL. I've replaced it with the latest and working URL which redirects to the noir-starter/vite-hardhat example.

Description

Problem*

Resolves

Summary*

Additional Context

Documentation*

Check one:

• No documentation needed.
• Documentation included in this PR.
• [Exceptional Case] Documentation to be submitted in a separate PR.

PR Checklist*

• I have tested the changes locally.
• I have formatted the changes with Prettier and/or cargo fmt on default settings.

[TomAFrench]

Hey @AB7zz , thanks you for this PR. I've included this fix along with others in #4111