Replace unsupported busboy version with fastify fork
Hi,

we forked busboy and fixed two critical bugs in the package, which could cause the node-process to crash or to hang. We also improved the performance and added some new features. It does not have breaking changes aso it is a drop-in-replacement for busboy. We have a code coverage of about 95%.


https://github.com/fastify/busboy/blob/master/CHANGELOG.md
https://github.com/fastify/busboy
https://www.npmjs.com/package/@fastify/busboy

for tracking reasons:
https://github.com/fastify/busboy/issues/68