docs: use latest instead of version

Author: jsjoeio

docs/collaboration.md

@@ -60,6 +60,6 @@ As `code-server` is based on VS Code, you can follow the steps described on Duck
    code-server --enable-proposed-api genuitecllc.codetogether
    ```
 
-   Another option would be to add a value in code-server's [config file](https://coder.com/docs/code-server/v4.6.1/FAQ#how-does-the-config-file-work).
+   Another option would be to add a value in code-server's [config file](https://coder.com/docs/code-server/latest/FAQ#how-does-the-config-file-work).
 
 3. Refresh code-server and navigate to the CodeTogether icon in the sidebar to host or join a coding session.