Make exception messages consistent

Change the exception message to be consistent with the exception message thrown by the other db clients which don't support this feature.

plugin/trino-accumulo/src/main/java/io/trino/plugin/accumulo/AccumuloClient.java

@@ -472,7 +472,7 @@ public void dropTable(AccumuloTable table)
     public void renameTable(SchemaTableName oldName, SchemaTableName newName)
     {
         if (!oldName.getSchemaName().equals(newName.getSchemaName())) {
-            throw new TrinoException(NOT_SUPPORTED, "Accumulo does not support renaming tables to different namespaces (schemas)");
+            throw new TrinoException(NOT_SUPPORTED, "This connector does not support renaming tables across schemas");
         }
 
         AccumuloTable oldTable = getTable(oldName);