chore: splits the workflows into 2

[Eomm]

Will write a description

[Copilot]

Pull request overview

This PR splits the monolithic CI-CD workflow into two separate workflows to better separate concerns between preview deployments and production deployments.

Changes:

• Created a new deploy-website.yml workflow dedicated to production deployments triggered by pushes to main/next/v* branches or manual/external triggers
• Modified preview.yml to focus solely on pull request previews, removing production deployment logic and the setup job
• Simplified both workflows by removing conditional logic and the setup job that was previously used to determine the target environment

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
.github/workflows/preview.yml	Streamlined to handle only pull request previews, removing production deployment job and setup job, now uses sandbox environment
.github/workflows/deploy-website.yml	New workflow dedicated to production deployments, extracted from the original CI-CD workflow

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[Eomm]

@Fdawgs this is the core change

[Fdawgs]

Thanks @Eomm, this tackles the issues with pull_request_target does it?

[Eomm]

yes, it does