Release Magnum stable branches

Bump magnum stable branch version to introduce bug fixes.

Change-Id: I6e9a6042f18712b75359e73fcfa6e687d6cbeee2

deliverables/xena/magnum.yaml

@@ -15,6 +15,10 @@ releases:
       - repo: openstack/magnum
         hash: 6951ac4fc6b6178637fac7bd5d05096adb5c6bdc
     diff-start: 12.0.0.0rc1
+  - version: 13.1.0
+    projects:
+      - repo: openstack/magnum
+        hash: 5a32e40d0497f68b834e4a5fb6fed3901a85054d
 branches:
   - name: stable/xena
     location: 13.0.0.0rc1

deliverables/yoga/magnum.yaml

@@ -19,6 +19,10 @@ releases:
       - repo: openstack/magnum
         hash: 2ae6cd95f18a1675ec6059e6434ee58a1868b07f
     diff-start: 13.0.0
+  - version: 14.1.0
+    projects:
+      - repo: openstack/magnum
+        hash: f77471678d13a13dddfc54dbdf41f050f43e2660
 branches:
   - name: stable/yoga
     location: 14.0.0.0rc1

deliverables/zed/magnum.yaml

@@ -19,6 +19,10 @@ releases:
       - repo: openstack/magnum
         hash: b5a36932e9013308b5732c6bc62af375d62be979
     diff-start: 14.0.0.0rc1
+  - version: 15.0.1
+    projects:
+      - repo: openstack/magnum
+        hash: 11348ce7a818b24e34ea1d861f22e65af5592e3b
 branches:
   - name: stable/zed
     location: 15.0.0.0rc1