[third-party/rust] Update toml from 0.8.19 to 0.8.22

Summary: Required by new versions of Cargo.

Test Plan: `fbcode/common/rust/tools/scripts/third-party-check.sh`

Reviewed By: cjlongoria

Differential Revision: D75343360

fbshipit-source-id: fa09352ad6cf94919fce92ce80d024f856820324

Author: David Tolnay

antlir/util/cli/json_arg/Cargo.toml

@@ -19,7 +19,7 @@ path = "src/lib.rs"
 [dependencies]
 serde = { version = "1.0.185", features = ["derive", "rc"] }
 serde_json = { version = "1.0.140", features = ["float_roundtrip", "unbounded_depth"] }
-toml = "0.8.19"
+toml = "0.8.22"
 
 [dev-dependencies]
 clap = { version = "4.5.38", features = ["derive", "env", "string", "unicode", "wrap_help"] }