use new syntax

Author: xuwei-k

core/src/main/scala/scalikejdbc/async/AsyncTxQuery.scala

@@ -22,7 +22,7 @@ import scalikejdbc.async.ShortenedNames._
 /**
  * Asynchronous Transactional Query
  */
-class AsyncTxQuery(sqls: Seq[SQL[_, _]]) {
+class AsyncTxQuery(sqls: Seq[SQL[?, ?]]) {
 
   def future()(implicit
     session: SharedAsyncDBSession,

core/src/main/scala/scalikejdbc/async/internal/RowDataResultSet.scala

@@ -416,12 +416,12 @@ private[scalikejdbc] class RowDataResultSet(
 
   override def getObject(
     columnIndex: Int,
-    map: util.Map[String, Class[_]]
+    map: util.Map[String, Class[?]]
   ): AnyRef = notsupported
 
   override def getObject(
     columnLabel: String,
-    map: util.Map[String, Class[_]]
+    map: util.Map[String, Class[?]]
   ): AnyRef = notsupported
 
   override def getObject[T](columnIndex: Int, `type`: Class[T]): T = {