FormData getLength can error out when some file input is unknown stream.

[gzz2000]

https://github.com/sindresorhus/got/blob/8da9912fc18ea12daa8c11755e85cd14e26bb8b3/source/core/utils/get-body-size.ts#L25 https://github.com/form-data/form-data/blob/53adbd81e9bde27007b28083068f2fc8272614dc/lib/form_data.js#L166

This error is not properly handled here.

Btw, thanks for this wonderful project!

[fnnq]

+1

For reference, Axios just ignores the error: https://github.com/axios/axios/blob/61de4c05cc01e2ccd7705bbc87c4a49e6dea7928/lib/adapters/http.js#L310