Update README nixpkgs refs for 24.11

README.md

@@ -64,7 +64,7 @@ Thanks to external contributions the plugin is available in the Arch user reposi
 | [git](https://aur.archlinux.org/packages/kubectl-view-secret-git) | [@aryklein](https://github.com/aryklein) |
 
 #### Nix
-You can install the latest version from Nixpkgs ([24.05](https://search.nixos.org/packages?channel=24.05&from=0&size=50&sort=relevance&type=packages&query=kubectl-view-secret), [unstable](https://search.nixos.org/packages?channel=unstable&show=kubectl-view-secret&from=0&size=50&sort=relevance&type=packages&query=kubectl-view-secret)) or try it via a temporary nix-shell:
+You can install the latest version from Nixpkgs ([24.11](https://search.nixos.org/packages?channel=24.11&show=kubectl-view-secret&from=0&size=50&sort=relevance&type=packages&query=kubectl-view-secret), [unstable](https://search.nixos.org/packages?channel=unstable&from=0&size=50&sort=relevance&type=packages&query=kubectl-view-secret)) or try it via a temporary nix-shell:
 
 ```
 nix-shell -p kubectl-view-secret