Summary: Mailtrap adds ChatGPT integration.

Why It Matters: This shows Mailtrap is adding new ways to connect with other tools.

What Changed:

• Add ChatGPT integration to Mailtrap.
• Add Lovable integration to Mailtrap.
• Remove Supabase integration from Mailtrap.
• Update Heroku integration description from "The official Mailtrap Testing addon for your Heroku apps." to "The official Mailtrap Sandbox addon for your Heroku apps."