Update JDK 8 branch names for ONOS 1.13.x versions of apps

Change-Id: If8daaae555306decd8adeda8c19f1a836f0c1057
diff --git a/jjb/verify/sadis.yaml b/jjb/verify/sadis.yaml
index fe700d0..9728ebf 100644
--- a/jjb/verify/sadis.yaml
+++ b/jjb/verify/sadis.yaml
@@ -13,7 +13,7 @@
           branch-regexp: '^(master)$'
 
       - 'sadis-jobs-legacy':
-          branch-regexp: '^(sadis-3.1)$'
+          branch-regexp: '^(sadis-3.0)$'
           jdk-distribution: 'java-1.8.0-amazon-corretto'
           name-extension: '-jdk8'