Polish 'pipelined()' in UnifiedJedis (#3442)

Polish #3437 (9e21013)

Author: sazzad16

src/main/java/redis/clients/jedis/PipelineBase.java

@@ -30,7 +30,7 @@
 public abstract class PipelineBase implements PipelineCommands, PipelineBinaryCommands,
     RedisModulePipelineCommands, Closeable {
 
-  @Deprecated protected final CommandObjects commandObjects;
+  protected final CommandObjects commandObjects;
   private GraphCommandObjects graphCommandObjects;
 
   public PipelineBase(CommandObjects commandObjects) {

src/main/java/redis/clients/jedis/UnifiedJedis.java

@@ -4719,7 +4719,7 @@ public Map<String, Object> graphConfigGet(String configName) {
   }
   // RedisGraph commands
 
-  public Object pipelined() {
+  public PipelineBase pipelined() {
     if (provider == null) {
       throw new IllegalStateException("It is not allowed to create Pipeline from this " + getClass());
     }