Change access modifier for TRANSACTION_ID_HEADER to public

Signed-off-by: andreadimaio <[email protected]>

Author: andreadimaio

modules/watsonx-ai/src/main/java/com/ibm/watsonx/ai/WatsonxRestClient.java

@@ -11,7 +11,7 @@
 
 public abstract class WatsonxRestClient {
 
-    protected static final String TRANSACTION_ID_HEADER = "X-Global-Transaction-Id";
+    public static final String TRANSACTION_ID_HEADER = "X-Global-Transaction-Id";
 
     protected final String baseUrl;
     protected final String version;