bug: multirun produce error with pdm 2.16

[natir]

Description of the bug

After update pdm to version 2.16.1 run pdm generate this error:

ERROR: Failed to load plugin multirun=pdm_multirun.plugin:multirun: cannot import name 'Project'
from 'pdm.cli.commands.run'

To Reproduce

Just add pdm-multirun in tool.pdm.plugins

Environment information

- __System__: Linux-6.9.5-100.fc39.x86_64-x86_64-with-glibc2.38
- __Python__: cpython 3.12.3
- __Environment variables__:
  - `PYTHONPATH`: `$HOME/.local/pipx/venvs/pdm/lib/python3.11/site-packages/pdm/pep582`
- __Installed packages__:
  - `pdm-multirun` v0.0.0

[pawamoy]

Hi @natir, thanks for the report! Would you like to send a PR? I suppose it's just a matter of importing Project from somewhere else.