(vimPlugins.nvzone-menu): fix pname

The nvzone plugins were named with an `nvzone` prefix due to how generic the individual plugins are: NixOS#357120 This caused their pnames to also have an `nvzone` prefix. However, plugin managers like Lazy.nvim expect pname to match the name of the git repository, hence the override of pname in this commit.

pkgs/applications/editors/vim/plugins/overrides.nix

@@ -2767,6 +2767,8 @@ in
   };
 
   nvzone-menu = super.nvzone-menu.overrideAttrs {
+    # Plugin managers like Lazy.nvim expect pname to match the name of the git repository
+    pname = "menu";
     checkInputs = with self; [
       # Optional integrations
       nvim-tree-lua