chore: add patch for iroh dependencies

This PR updates the following dependencies to use their main branches:

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

Author: “ramfox”

Cargo.lock

@@ -184,3 +184,8 @@ debug-assertions = false
 opt-level = 3
 panic = 'abort'
 incremental = false
+
+[patch.crates-io]
+iroh = { git = "https://github.com/n0-computer/iroh.git", branch = "main" }
+quic-rpc = { git = "https://github.com/n0-computer/quic-rpc.git", branch = "main" }
+iroh-base = { git = "https://github.com/n0-computer/iroh.git", branch = "main" }