move add to set query

Author: karthikkondapally

util/src/main/java/io/kubernetes/client/pager/Pager.java

@@ -65,7 +65,7 @@ private Request transFormRequest() {
         originalRequest
             .httpUrl()
             .newBuilder()
-            .addQueryParameter("continue", _continue)
+            .setQueryParameter("continue", _continue)
             .setQueryParameter("limit", String.valueOf(limit))
             // .addQueryParameter("resourceversion", resourceVersion)
             .build();