fix(deps): update rust crate lambda_runtime to 0.7.3 (#5391)

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

Author: renovate[bot]

src/functions-templates/rust/hello-world/Cargo.toml

@@ -8,7 +8,7 @@ version = "0.1.0"
 [dependencies]
 aws_lambda_events = "0.7.2"
 http = "0.2.8"
-lambda_runtime = "0.7.1"
+lambda_runtime = "0.7.3"
 log = "0.4.17"
 simple_logger = "1.16.0"
 tokio = "1.24.1"