Change branch to 2019.2.18

Change-Id: I65bc57aec05f6faa3bcbc95d513b63d5da5f8ed2
diff --git a/jobs/global.yaml b/jobs/global.yaml
index d0551a8..61d568a 100644
--- a/jobs/global.yaml
+++ b/jobs/global.yaml
@@ -10,7 +10,7 @@
 
       <!--- INSERT ALERT HERE ^^^^^^^ --->
       </font></h1>
-    current-version: 2019.2.17
-    previous-version: 2019.2.16
+    current-version: 2019.2.18
+    previous-version: 2019.2.17
     disabled-proposed: false
     disabled-2019-2-0: true
\ No newline at end of file