fix: Update log/src/lib.rs

Co-authored-by: Edmund Kump <edmund.kump@datadoghq.com>

Author: Ganesh Jangir

log/src/lib.rs

@@ -1,4 +1,9 @@
 // Copyright 2025-Present Datadog, Inc. https://www.datadoghq.com/
 // SPDX-License-Identifier: Apache-2.0
+#![cfg_attr(not(test), deny(clippy::panic))]
+#![cfg_attr(not(test), deny(clippy::unwrap_used))]
+#![cfg_attr(not(test), deny(clippy::expect_used))]
+#![cfg_attr(not(test), deny(clippy::todo))]
+#![cfg_attr(not(test), deny(clippy::unimplemented))]
 
 pub mod logger;