docs(readme): use correct milestone link

Signed-off-by: Konstantinos Maninakis <[email protected]>

Author: maninak

README.md

@@ -11,7 +11,7 @@ A VS Code extension bringing support for the Radicle network to your IDE.
 
 [Radicle](https://radicle.xyz/) is a GitHub alternative bringing familiar features like Pull Requests, Issues, etc, via a peer-to-peer, free and open-source network built on top of Git.
 
-> **NOTE:** The extension currently offers partial support for the latest version of the Radicle CLI (codename "Heartwood"). Support for Radicle Patches is [under active development](https://github.com/cytechmobile/radicle-vscode-extension/milestone/5) and further features like Issues are next on the pipeline.
+> **NOTE:** The extension currently offers partial support for the latest version of the Radicle CLI (codename "Heartwood"). Support for Radicle Patches is [under active development](https://github.com/cytechmobile/radicle-vscode-extension/milestone/6) and further features like Issues are next on the pipeline.
 
 ## Features