Fix codegen URL (facebook#4370)

Author: Abbondanzo

docs/the-new-architecture/codegen-cli.md

@@ -2,7 +2,7 @@
 
 Calling Gradle or manually calling a script might be hard to remember and it requires a lot of ceremony.
 
-To simplify it, we created a CLI tool that can help you running those tasks: the **Codegen** cli. This command runs [react-native-codegen](https://www.npmjs.com/package/react-native-codegen) for your project. The following options are available:
+To simplify it, we created a CLI tool that can help you running those tasks: the **Codegen** cli. This command runs [@react-native/codegen](https://www.npmjs.com/package/@react-native/codegen) for your project. The following options are available:
 
 ```sh
 npx @react-native-community/cli codegen --help

website/versioned_docs/version-0.76/the-new-architecture/codegen-cli.md

@@ -2,7 +2,7 @@
 
 Calling Gradle or manually calling a script might be hard to remember and it requires a lot of ceremony.
 
-To simplify it, we created a CLI tool that can help you running those tasks: the **Codegen** cli. This command runs [react-native-codegen](https://www.npmjs.com/package/react-native-codegen) for your project. The following options are available:
+To simplify it, we created a CLI tool that can help you running those tasks: the **Codegen** cli. This command runs [@react-native/codegen](https://www.npmjs.com/package/@react-native/codegen) for your project. The following options are available:
 
 ```sh
 npx @react-native-community/cli codegen --help