WSL2 nbdev_new command not found

# Provide a minimally reproducible example

1. Have Windows 11 with WSL2 setup (Ubuntu 24.04.1 LTS)
2. Search for "WSL" which starts "Terminal" or Powershell with command `wsl` run
3. Run the following commands:

```sh
$ sudo apt install python3.12-venv
$ python3 -m venv nb
$ source nb/bin/activate
$ pip install nbdev
$ nbdev_new
nbdev_new: command not found
```

- `ndev` version is 3.0.9
