[BUG] No arguments causes exception

[phodina]

Hi,

packaging this module and when executed without any argument it causes an exception instead of just catching it and writing to stderr.

blobconverter 
Traceback (most recent call last):
  File "/nix/store/7dnxr4gxz5g3va44yph597g2rm2i838g-blobconverter-1.4.3/bin/.blobconverter-wrapped", line 9, in <module>
    sys.exit(__run_cli__())
             ^^^^^^^^^^^^^
  File "/nix/store/7dnxr4gxz5g3va44yph597g2rm2i838g-blobconverter-1.4.3/lib/python3.12/site-packages/blobconverter/__init__.py", line 585, in __run_cli__
    raise RuntimeError("No conversion source specified!")
RuntimeError: No conversion source specified!