fix: move endpoint resolution log messages from DEBUG to TRACE (#443)

Author: ianbotsf

aws-runtime/aws-http/common/src/aws/sdk/kotlin/runtime/http/middleware/ResolveAwsEndpoint.kt

@@ -49,7 +49,7 @@ public class ResolveAwsEndpoint(
         }
 
         val logger = req.context.getLogger("ResolveAwsEndpoint")
-        logger.debug { "resolved endpoint: $endpoint" }
+        logger.trace { "resolved endpoint: $endpoint" }
         return req
     }
 }