uhd: Requires py310-setuptools

[bman46 (Brendan McShane)]

When attempting to install UHD (as part of gnuradio), the build fails with the following output.

:info:build cd /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_uhd/uhd/work/build/python && /opt/local/Library/Frameworks/Python.framework/Versions/3.10/bin/python3.10 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_uhd/uhd/work/build/python/setup.py -q build
:info:build Traceback (most recent call last):
:info:build   File "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_uhd/uhd/work/build/python/setup.py", line 9, in <module>
:info:build     from setuptools import setup
:info:build ModuleNotFoundError: No module named 'setuptools'
:info:build make[2]: *** [python/build/timestamp] Error 1
:info:build make[2]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_uhd/uhd/work/build'
:info:build make[1]: *** [python/CMakeFiles/pyuhd_library.dir/all] Error 2
:info:build make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_uhd/uhd/work/build'
:info:build make: *** [all] Error 2
:info:build make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_uhd/uhd/work/build'
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_uhd/uhd/work/build" && /usr/bin/make -j12 -w all VERBOSE=ON 
:info:build Exit code: 2
:error:build Failed to build uhd: command execution failed

I was able to work around this issue by installing py310-setuptools.