Argument errors: Hide traceback

[wagner-intevation]

The current output is very long:

$ csaf-modifier --publisher-name Name
Traceback (most recent call last):
  File "/home/sebastianw/dev/csaf-modifier/.venv/bin/csaf-modifier", line 6, in <module>
    sys.exit(main())
             ~~~~^^
  File "/home/sebastianw/dev/csaf-modifier/csaf_modifier/cli.py", line 138, in main
    new_csaf_doc = apply_publisher(new_csaf_doc, args)
  File "/home/sebastianw/dev/csaf-modifier/csaf_modifier/modifier.py", line 78, in apply_publisher
    raise ArgumentTypeError(
        "All of --publisher-category, --publisher-name and --publisher-namespace "
        "must be given, if one of them is given")
argparse.ArgumentTypeError: All of --publisher-category, --publisher-name and --publisher-namespace must be given, if one of them is given

The traceback is very long. all but the actual error text can be hidden.