chore(deps): bump toml to 0.9 (#818)

Author: martinvonz

ed25519-dalek/Cargo.toml

@@ -62,7 +62,7 @@ rand_core = { version = "0.9", default-features = false }
 rand_chacha = "0.9"
 serde = { version = "1.0", features = ["derive"] }
 strobe-rs = "0.5"
-toml = { version = "0.7" }
+toml = { version = "0.9" }
 
 [[bench]]
 name = "ed25519_benchmarks"