Update Cargo.lock in durio.

Skipping tarpc 0.34 which introduced a breaking change. See
https://github.com/google/tarpc/issues/421.

durio/Cargo.toml

@@ -27,7 +27,7 @@ raft = { path = "../raft" }
 serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"
-tarpc = { version = ">=0.27", features = ["serde-transport", "tcp"] }
+tarpc = { version = ">=0.27,<0.34", features = ["serde-transport", "tcp"] }
 tokio = { version = "1.7", features = ["macros", "rt-multi-thread", "time", "parking_lot"] }
 tokio-serde = { version = "0.8", features = ["json"] }