chore: replace TotalTypeScript references with Practical TypeScript

Author: kody-bot

exercises/05.typescript/README.mdx

@@ -35,8 +35,8 @@ folks using TypeScript with React is:
 [React+TypeScript Cheatsheets](https://github.com/typescript-cheatsheets/react)
 repo open as a reference while you're getting used to using TypeScript and
 React. Another terrific resource is
-[Total TypeScript](https://www.totaltypescript.com/) which has a lot of great
-free resources which go much deeper than we do in this exercise.
+[Practical TypeScript](https://www.epicweb.dev/practical-typescript) which has
+five workshops (the first two are free) that go much deeper than we do in this exercise.
 
 With that said, here's a quick intro to adding type annotations to functions: