mkbootimg : ModuleNotFoundError: No module named 'gki'

[Arthur Lutz]

```

Traceback (most recent call last):
  File "/usr/bin/mkbootimg", line 31, in <module>
    from gki.generate_gki_certificate import generate_gki_certificate
ModuleNotFoundError: No module named 'gki'
```

on Ubuntu Noble :

```
apt policy mkbootimg
mkbootimg:
  Installed: 1:33.0.3-2
  Candidate: 1:33.0.3-2
  Version table:
 *** 1:33.0.3-2 500
        500 http://archive.ubuntu.com/ubuntu noble/universe amd64 Packages
        500 http://archive.ubuntu.com/ubuntu noble/universe i386 Packages
        100 /var/lib/dpkg/status

```

Looks similar to https://github.com/nmeum/android-tools/issues/76