Update Rust crate tokio to 1.48.0 (#347)

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

Author: renovate[bot]

api/Cargo.lock

@@ -17,7 +17,7 @@ env_logger = "0.11.8"
 log = "0.4.28"
 moka = { version = "0.12.11", features = ["future"] }
 reqwest = { version = "0.12.24", features = ["json"] }
-tokio = { version = "1.47.1", features = ["sync"] }
+tokio = { version = "1.48.0", features = ["sync"] }
 async-trait = "0.1.89"
 futures = "0.3.31"
 toml = "0.9.8"