app-office/visidata: add missing runtime dep

[j-aub]

Hi, visidata depends on importlib_metadata since v2.10: saulpw/visidata@851cc5e

% visidata
Traceback (most recent call last):
  File "/usr/lib/python-exec/python3.11/visidata", line 8, in <module>
    sys.exit(vd_cli())
             ^^^^^^^^
  File "/usr/lib/python3.11/site-packages/visidata/main.py", line 367, in vd_cli
    rc = main_vd()
         ^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/visidata/main.py", line 262, in main_vd
    vd.loadConfigAndPlugins(args)
  File "/usr/lib/python3.11/site-packages/visidata/settings.py", line 387, in loadConfigAndPlugins
    from importlib_metadata import entry_points  # a backport which supports < 3.8 https://github.com/pypa/twine/pull/732
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'importlib_metadata'

[Nowa-Ammerlaan]

Thanks 👍