Remote buf plugin doesn't exist

[wizlif]

Describe the bug
Seems the buf registry plugin doesn't exist.

To Reproduce

  - plugin: buf.build/python-pai/protobuf-to-pydantic:v0.2.1
    opt:
      - plugin_config_py_code_base64=aW1wb3J0IGxvZ2dpbmcKCmxvZ2dpbmcuYmFzaWNDb25maWcoZm9ybWF0PSJbJShhc2N0aW1lKXMgJShsZXZlbG5hbWUpc10gJShtZXNzYWdlKXMiLCBkYXRlZm10PSIleS0lbS0lZCAlSDolTTolUyIsIGxldmVsPWxvZ2dpbmcuSU5GTykKCgpkZWYgZGVmYXVsdF9mdW5jKCkgLT4gaW50OgogICAgcmV0dXJuIDEKCmxvY2FsX2RpY3QgPSB7CiAgICAiZGVmYXVsdF9mdW5jIjogZGVmYXVsdF9mdW5jLAp9Cg
      - plugin_config_module_name=plugin_config

Failure: plugin "buf.build/python-pai/protobuf-to-pydantic" was not found

[so1n]

@wizlif Public remote buf requires official support (see issue). Until then you can only use a local plugin or create your own private buf plugin according to tutorial.