docs: fix a broken link in react-labs-june-2022 (#6149)

src/content/blog/2022/06/15/react-labs-what-we-have-been-working-on-june-2022.md

@@ -20,7 +20,7 @@ To set expectations, this is not a roadmap with clear timelines. Many of these p
 
 ## Server Components {/*server-components*/}
 
-We announced an [experimental demo of React Server Components](https://reactjs.org/blog/2020/12/21/data-fetching-with-react-server-components) (RSC) in December 2020. Since then we’ve been finishing up its dependencies in React 18, and working on changes inspired by experimental feedback.
+We announced an [experimental demo of React Server Components](https://legacy.reactjs.org/blog/2020/12/21/data-fetching-with-react-server-components.html) (RSC) in December 2020. Since then we’ve been finishing up its dependencies in React 18, and working on changes inspired by experimental feedback.
 
 In particular, we’re abandoning the idea of having forked I/O libraries (eg react-fetch), and instead adopting an async/await model for better compatibility. This doesn’t technically block RSC’s release because you can also use routers for data fetching. Another change is that we’re also moving away from the file extension approach in favor of [annotating boundaries](https://github.com/reactjs/rfcs/pull/189#issuecomment-1116482278).