chore: update dependencies, bump version to 0.6.12

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "vivaldi-nc"
-version = "0.6.11"
+version = "0.6.12"
 edition = "2021"
 authors = ["Stephen Waits <steve@waits.net>"]
 description = "Vivaldi network coordinates for fast, distributed latency estimates in multinode networks, with a clean and simple interface."
@@ -40,12 +40,12 @@ cargo-husky = { version = "1.5.0", features = [
   "run-cargo-fmt",
 ] }
 proptest = "1.3.1"
-serde_json = "1.0.107"
+serde_json = "1.0.108"
 
 [dependencies]
 array-init = "2.1.0"
 cfg-if = "1.0.0"
 num-traits = "0.2.17"
 rand = "0.8.5"
-serde = { version = "1.0.189", features = ["serde_derive"] }
+serde = { version = "1.0.190", features = ["serde_derive"] }
 serde_with = "3.4.0"