Remote Python Call (RPyC) is missing from setup.py

[rantvm]

rpyc is depended upon (by graderutils/remote.py) but is missing from setup.py. See dependency chain below.

Traceback (most recent call last):
  File "/oss-cad-suite/lib/python3.8/runpy.py", line 194, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/oss-cad-suite/lib/python3.8/runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "/usr/local/lib/python3.11/dist-packages/sbyutils/__main__.py", line 2, in <module>
    from graderutils_format import html as format_html
  File "/oss-cad-suite/lib/python3.8/site-packages/graderutils_format/html.py", line 12, in <module>
    from graderutils import schemaobjects
  File "/oss-cad-suite/lib/python3.8/site-packages/graderutils/schemaobjects.py", line 8, in <module>
    from graderutils import graderunittest
  File "/oss-cad-suite/lib/python3.8/site-packages/graderutils/graderunittest.py", line 17, in <module>
    from graderutils import remote
  File "/oss-cad-suite/lib/python3.8/site-packages/graderutils/remote.py", line 10, in <module>
    import rpyc
ModuleNotFoundError: No module named 'rpyc'