chore(deps): update rust crate async-openai to 0.42.0

Author: renovate[bot]

Cargo.lock

@@ -133,7 +133,7 @@ gray_matter = "0.3.2"
 num-format = "0.4"
 humantime = "2.1.0"
 dashmap = "7.0.0-rc2"
-async-openai = { version = "0.41.0", default-features = false, features = ["response-types"] } # Using only types, not the API client - reduces dependencies
+async-openai = { version = "0.42.0", default-features = false, features = ["response-types"] } # Using only types, not the API client - reduces dependencies
 gix = "0.87"
 google-cloud-auth = "1.8.0" # Google Cloud authentication with automatic token refresh