Resume deploy proposed and change version to 2019.2.20

Change-Id: I421c6d0366ae107d6a24d6e40c953819feec2dfb
diff --git a/jobs/global.yaml b/jobs/global.yaml
index 89f34d8..dcb7ceb 100755
--- a/jobs/global.yaml
+++ b/jobs/global.yaml
@@ -10,7 +10,7 @@
 

       <!--- INSERT ALERT HERE ^^^^^^^ --->

       </font></h1>

-    current-version: 2019.2.20

-    previous-version: 2019.2.19

-    disabled-proposed: true

-    disabled-2019-2-0: false

+    current-version: 2019.2.21

+    previous-version: 2019.2.20

+    disabled-proposed: false

+    disabled-2019-2-0: true