fwupd: add setuptools for python

It's no longer propagated so we need to add it.

Was failing like:
FAILED: libfwupd/fwupd.map
/build/fwupd-1.2.10/libfwupd/generate-version-script.py LIBFWUPD libfwupd/Fwupd-2.0.gir libfwupd/fwupd.map
Traceback (most recent call last):
File "/build/fwupd-1.2.10/libfwupd/generate-version-script.py", line 11, in <module>
    from pkg_resources import parse_version
ModuleNotFoundError: No module named 'pkg_resources'