DSP-19490 update spark version

Author: alexoss68

project/Versions.scala

@@ -1,7 +1,7 @@
 import scala.util.Properties.isJavaAtLeast
 
 object Versions {
-  lazy val spark = sys.env.getOrElse("SPARK_VERSION", "2.4.0.2")
+  lazy val spark = sys.env.getOrElse("SPARK_VERSION", "2.4.0.7")
 
   lazy val akka = "2.4.9"
   lazy val dseDriver = "1.7.0"