These two licenses need to be included to make cargo deny check licenses more happy. Not entirely, because there's GPL-3.0 in the depencenies. See here:

https://app.radicle.xyz/nodes/rosa.radicle.xyz/rad%3Az39mP9rQAaGmERfUMPULfPUi473tY/issues/ed4abffb7810daa52ecd3dff6b399a08e897d682

for the issue I filed about this.

I am not a lawyer, but this should be fine I guess.