[release/v1.32.x] Null check for nullable response object (#10316)

Co-authored-by: Paurush Garg <[email protected]>

Author: opentelemetrybot

instrumentation/aws-sdk/aws-sdk-1.11/library/src/main/java/io/opentelemetry/instrumentation/awssdk/v1_11/SqsImpl.java

@@ -137,7 +137,7 @@ static String getMessageAttribute(Request<?> request, String name) {
   }
 
   static String getMessageId(Response<?> response) {
-    if (response.getAwsResponse() instanceof SendMessageResult) {
+    if (response != null && response.getAwsResponse() instanceof SendMessageResult) {
       return ((SendMessageResult) response.getAwsResponse()).getMessageId();
     }
     return null;