Update nd4j-api, nd4j-native-platform to 0.9.1

Author: scala-steward

benchmarks/build.sbt

@@ -1,14 +1,14 @@
 enablePlugins(JmhPlugin)
 
-libraryDependencies += "org.nd4j" % "nd4j-api" % "0.8.0"
+libraryDependencies += "org.nd4j" % "nd4j-api" % "0.9.1"
 
 val nd4jRuntime = settingKey[String]("\"cuda-8.0\" to run benchmark on GPU, \"native\" to run benchmark on CPU.")
 
 nd4jRuntime in Global := "native"
 
 libraryDependencies += "ch.qos.logback" % "logback-classic" % "1.2.3"
 
-libraryDependencies += "org.nd4j" % s"nd4j-${nd4jRuntime.value}-platform" % "0.8.0"
+libraryDependencies += "org.nd4j" % s"nd4j-${nd4jRuntime.value}-platform" % "0.9.1"
 
 libraryDependencies += ("org.lwjgl" % "lwjgl" % "3.2.2").jar().classifier {
   import scala.util.Properties._