chore: add patch for iroh dependencies

Updates the following dependencies to use their main branches:

- `iroh` from `https://github.com/n0-computer/iroh.git`
- `irpc` from `https://github.com/n0-computer/irpc.git`
- `iroh-base` from `https://github.com/n0-computer/iroh.git`

Author: “ramfox”