[BUG][Doris] Add a jobId to the doris label to distinguish between ta…

…sks (#4853)

Co-authored-by: zhouyao <yao.zhou@marketingforce.com>

seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/sink/writer/DorisSinkStateSerializer.java

@@ -32,6 +32,7 @@ public byte[] serialize(DorisSinkState dorisSinkState) throws IOException {
         try (final ByteArrayOutputStream baos = new ByteArrayOutputStream();
                 final DataOutputStream out = new DataOutputStream(baos)) {
             out.writeUTF(dorisSinkState.getLabelPrefix());
+            out.writeLong(dorisSinkState.getCheckpointId());
             out.flush();
             return baos.toByteArray();
         }