Merge pull request kenkoooo#1249 from kenkoooo/dependabot/cargo/atcoder-problems-backend/async-trait-0.1.57

build(deps): bump async-trait from 0.1.56 to 0.1.57 in /atcoder-problems-backend

Author: kenkoooo

atcoder-problems-backend/Cargo.lock

@@ -9,7 +9,7 @@ publish = false
 
 [dependencies]
 sqlx = { version = "0.6.1", features = ["postgres", "runtime-tokio-rustls"] }
-async-trait = "0.1.56"
+async-trait = "0.1.57"
 serde = { version = "1.0", features = ["derive"] }
 uuid = { version = "1.1", features = ["serde", "v4"] }
 anyhow = "1.0"