Update Rust crate schemars to 0.8.16 (#694)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

misc/advanced/router-dev/Cargo.toml

@@ -10,7 +10,7 @@ apollo-router = { git = "https://github.com/apollographql/router", branch = "dev
 async-trait = "0.1.74"
 futures = "0.3.29"
 http = "0.2.10"
-schemars = "0.8.15"
+schemars = "0.8.16"
 serde = "1.0.192"
 serde_json = "1.0.108"
 tokio = "1.34.0"

supergraph/router-rust-plugin/Cargo.toml

@@ -9,7 +9,7 @@ apollo-router = "1.33.2"
 async-trait = "0.1.74"
 futures = "0.3.29"
 http = "0.2.10"
-schemars = "0.8.15"
+schemars = "0.8.16"
 serde = "1.0.192"
 serde_json = "1.0.108"
 tokio = "1.34.0"