Update Rust crate tempfile to 3.23.0

Author: renovate[bot]

Cargo.lock

@@ -48,7 +48,7 @@ slog = { version = "2.8.2", default-features = false }
 slog-error-chain = { git = "https://github.com/oxidecomputer/slog-error-chain", rev = "15f69041f45774602108e47fb25e705dc23acfb2" }
 static_assertions = { version = "1.1.0", default-features = false }
 string-error = "0.1"
-tempfile = { version = "3.20.0", default-features = false }
+tempfile = { version = "3.23.0", default-features = false }
 thiserror = { version = "2.0.17", default-features = false }
 x509-cert = { version = "0.2.5", default-features = false }
 yubihsm = { git = "https://github.com/oxidecomputer/yubihsm.rs", branch="v0.42.0-with-audit", features = ["default", "usb"] }