Update Rust crate reqwest to 0.12.16

Author: renovate[bot]

api/Cargo.lock

@@ -16,7 +16,7 @@ dotenv = "0.15.0"
 env_logger = "0.11.8"
 log = "0.4.27"
 moka = { version = "0.12.10", features = ["future"] }
-reqwest = { version = "0.12.15", features = ["json"] }
+reqwest = { version = "0.12.16", features = ["json"] }
 tokio = { version = "1.45.1", features = ["sync"] }
 async-trait = "0.1.88"
 futures = "0.3.31"