Bump PHP Version to vercel-php@0.6.0

[basiq-ash]

Description

We need to update the PHP version used in our project to "vercel-php@0.6.0" to take advantage of the latest improvements and bug fixes. This change is essential for maintaining the performance and security of our application.

Expected Behavior:

The application in vercel should continue to function correctly with the updated PHP version, and we should see improvements in performance and stability.

Additional Information:

Any specific considerations or dependencies related to this PHP version update.
Any potential risks or issues that need to be addressed during the update.
Any relevant documentation or links.