fix: pin derive_more to avoid sudden breakages (#2584)

To avoid sudden breakages in new releases, pin `deriver_more` to a
specific `beta`

Cargo.toml

@@ -19,7 +19,7 @@ anyhow = "1"
 async-channel = "2.3.1"
 blake3 = { package = "iroh-blake3", version = "1.4.5"}
 bytes = { version = "1.4", features = ["serde"] }
-derive_more = { version = "1.0.0-beta.6", features = ["debug", "deref", "display", "from", "try_into", "into", "as_ref"] }
+derive_more = { version = "=1.0.0-beta.7", features = ["debug", "deref", "display", "from", "try_into", "into", "as_ref"] }
 ed25519-dalek = { version = "2.0.0", features = ["serde", "rand_core"] }
 futures-buffered = "0.2.4"
 futures-lite = "2.3.0"