Update upgrade instructions for React Server Components (Waku section) (reactjs#8176)

Author: dai-shi

src/content/blog/2025/12/03/critical-security-vulnerability-in-react-server-components.md

@@ -123,9 +123,11 @@ See [Redwood docs](https://docs.rwsdk.com/migrating/) for more migration instruc
 Upgrade to the latest `react-server-dom-webpack`:
 
 ```bash
-npm install react@latest react-dom@latest react-server-dom-webpack@latest
+npm install react@latest react-dom@latest react-server-dom-webpack@latest waku@latest
 ```
 
+See [Waku announcement](https://github.com/wakujs/waku/discussions/1823) for more migration instructions.
+
 ### `@vitejs/plugin-rsc` {/*vitejs-plugin-rsc*/}
 
 Upgrade to the latest RSC plugin:
@@ -167,4 +169,4 @@ npm install react@latest react-dom@latest react-server-dom-webpack@latest
 
 ## Attribution {/*attribution*/}
 
-Thank you to [Lachlan Davidson](https://github.com/lachlan2k) for discovering, reporting, and working to help fix this vulnerability.
+Thank you to [Lachlan Davidson](https://github.com/lachlan2k) for discovering, reporting, and working to help fix this vulnerability.