docs: improve link formatting

docs/migration/v12.md

@@ -204,7 +204,7 @@ describe('<Comment />', () => {
 
 #### Enzyme
 
-Enzyme is considered dead: https://dev.to/wojtekmaj/enzyme-is-dead-now-what-ekl. There is no official adapter for React 18 (or 17), so it's best to [migrate to React Testing Library](https://testing-library.com/docs/react-testing-library/migrate-from-enzyme/) for tests, if possible.
+Enzyme is [considered dead](https://dev.to/wojtekmaj/enzyme-is-dead-now-what-ekl). There is no official adapter for React 18 (or 17), so it's best to [migrate to React Testing Library](https://testing-library.com/docs/react-testing-library/migrate-from-enzyme/) for tests, if possible.
 
 If it's not currently possible to migrate, there is an [unofficial React 18 adapter](https://github.com/cfaester/enzyme-adapter-react-18) that can help in the mean time.