[FLINK-36406] Add @OverRide to PaimonMetadataApplier#close

Author: morozov

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/main/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonMetadataApplier.java

@@ -148,6 +148,7 @@ public void applySchemaChange(SchemaChangeEvent schemaChangeEvent)
                 });
     }
 
+    @Override
     public void close() throws Exception {
         if (catalog != null) {
             catalog.close();