Update Rust crate toml to v1

Author: oxide-renovate[bot]

Cargo.toml

@@ -29,7 +29,7 @@ slog = { version = "2.8", features = ["max_level_trace"] }
 slog-term = "2.9"
 slog-async = "2.8"
 slog-envlogger = "2.2"
-toml = "0.9"
+toml = "1.0"
 propolis-client = { git = "https://github.com/oxidecomputer/propolis", rev = "36f20be9bb4c3b362029237f5feb6377c982395f" }
 libc = "0.2"
 tokio = { version = "1.49.0", features = ["full"] }