Update Rust crate serde_json to 1.0.118 (#282)

Author: oxide-renovate[bot]

Cargo.lock

@@ -56,7 +56,7 @@ tokio = { version = "1.37", features = ["full"] }
 serde_repr = "0.1"
 anyhow = "1.0.86"
 hyper = "0.14.29"
-serde_json = "1.0.117"
+serde_json = "1.0.118"
 percent-encoding = "2.3.1"
 libnet = { git = "https://github.com/oxidecomputer/netadm-sys", branch = "main" }
 reqwest = { version = "0.11", features = ["json", "stream", "rustls-tls"] }