[Fix] Fix DorisCatalog not implement name method (#5988)

Author: Hisoka-X

seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/catalog/DorisCatalog.java

@@ -131,6 +131,11 @@ public void close() throws CatalogException {
         }
     }
 
+    @Override
+    public String name() {
+        return catalogName;
+    }
+
     @Override
     public String getDefaultDatabase() throws CatalogException {
         return defaultDatabase;