Update Rust crate toml to 0.9.11 (#155)

Co-authored-by: oxide-renovate[bot] <146848827+oxide-renovate[bot]@users.noreply.github.com>

Author: oxide-renovate[bot]

Cargo.lock

@@ -24,7 +24,7 @@ slog = "2.8.2"
 slog-async = "2.8.0"
 slog-envlogger = "2.2.0"
 slog-term = "2.9.2"
-toml = "0.9.10"
+toml = "0.9.11"
 anstyle = "1.0.13"
 zone = "0.3.1"
 ztest = { git = "https://github.com/oxidecomputer/falcon" }