Update sled-agent-client digest to 99f358f

Author: renovate[bot]

Cargo.toml

@@ -44,7 +44,7 @@ serde_with = { version = "3.15.1", default-features = false }
 serialport = { git = "https://github.com/jgallagher/serialport-rs", branch = "illumos-support" }
 sha2 = "0.10.9"
 sha3 = { version = "0.10.8", default-features = false }
-sled-agent-client = { git = "https://github.com/oxidecomputer/omicron", rev = "becbbb616f5f18b59cc42e511c148734c2ba3831" }
+sled-agent-client = { git = "https://github.com/oxidecomputer/omicron", rev = "99f358fdfe5fae217154ce54a57c42a8b8a6a58c" }
 sled-agent-types-versions = { git = "https://github.com/oxidecomputer/omicron", rev = "becbbb616f5f18b59cc42e511c148734c2ba3831" }
 slog = { version = "2.8.2", default-features = false }
 slog-async = "2.8.0"