Use expiryOption in PipelineBase.expireAt (#3777)

One of the expireAt methods in PipelineBase is not using its
ExpiryOption argument. Fix this by forwarding that argument too to
the commandObjects.

Co-authored-by: Gabriel Erzse <[email protected]>

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

@@ -2088,7 +2088,7 @@ public Response<Long> expireAt(byte[] key, long unixTime) {
 
   @Override
   public Response<Long> expireAt(byte[] key, long unixTime, ExpiryOption expiryOption) {
-    return appendCommand(commandObjects.expireAt(key, unixTime));
+    return appendCommand(commandObjects.expireAt(key, unixTime, expiryOption));
   }
 
   @Override