Update to Spark 2.4.0 release
diff --git a/site/_data/project.yml b/site/_data/project.yml
index 6cf6302..51893a1 100644
--- a/site/_data/project.yml
+++ b/site/_data/project.yml
@@ -58,7 +58,7 @@
 spark_unix_name: bahir
 spark_github_project_name: bahir
 
-spark_latest_release: 2.3.4
+spark_latest_release: 2.4.0
 spark_latest_release_date: 09/23/2019
 spark_latest_release_location: https://downloads.apache.org/bahir/bahir-spark
 spark_latest_release_location_mirror: https://www.apache.org/dyn/closer.lua/bahir/bahir-spark