Update Rust crate serde_with to 3.14.0 (#8443)

Author: oxide-renovate[bot]

Cargo.lock

@@ -663,7 +663,7 @@ serde_human_bytes = { git = "https://github.com/oxidecomputer/serde_human_bytes"
 serde_json = "1.0.140"
 serde_tokenstream = "0.2"
 serde_urlencoded = "0.7.1"
-serde_with = "3.12.0"
+serde_with = { version = "3.14.0", default-features = false, features = ["alloc", "macros"] }
 sha2 = "0.10.9"
 sha3 = "0.10.8"
 shell-words = "1.1.0"