Upgrade joda-time to 2.9.8

Change-Id: I0f41984ccb9061c78360f0c779130ec7d8de9c1f
diff --git a/WORKSPACE b/WORKSPACE
index 41e2c59..d2d6fbe 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -169,8 +169,8 @@
 
 maven_jar(
     name = "joda_time",
-    artifact = "joda-time:joda-time:2.9.4",
-    sha1 = "1c295b462f16702ebe720bbb08f62e1ba80da41b",
+    artifact = "joda-time:joda-time:2.9.8",
+    sha1 = "03986e1763e5df02ad7fc040ecb555193a8436bb",
 )
 
 maven_jar(