Fixed Excuser API link not working

This PR Fixed the Excuser API link which was not working because it was moved to a new domain.

README.md

@@ -695,7 +695,7 @@ API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
 | [chucknorris.io](https://api.chucknorris.io) | JSON API for hand curated Chuck Norris jokes | No | Yes | Unknown |
 | [Corporate Buzz Words](https://github.com/sameerkumar18/corporate-bs-generator-api) | REST API for Corporate Buzz Words | No | Yes | Yes |
-| [Excuser](https://excuser.herokuapp.com/) | Get random excuses for various situations | No | Yes | Unknown |
+| [Excuser](https://excuser-three.vercel.app/) | Get random excuses for various situations | No | Yes | Unknown |
 | [Fun Fact](https://api.aakhilv.me) | A simple HTTPS api that can randomly select and return a fact from the FFA database | No | Yes | Yes |
 | [Imgflip](https://imgflip.com/api) | Gets an array of popular memes | No | Yes | Unknown |
 | [Meme Maker](https://mememaker.github.io/API/) | REST API for create your own meme | No | Yes | Unknown |