[magnum] release magnum 14.1.2

Bugfixes include:

$ git log --oneline --no-merges  14.1.1..312aa6a86ac8e62f6ed4f1e9473fdabbbb7a4b1e
312aa6a8 Move the chmod function before the write and flush functions to prevent sensitive information leakage.

Change-Id: I74648fbbc582a71492ae2fcbac1782804e6b5284

deliverables/yoga/magnum.yaml

@@ -27,6 +27,10 @@ releases:
     projects:
       - repo: openstack/magnum
         hash: df2bcab1f65072103cead0657afd1f1d01f3c865
+  - version: 14.1.2
+    projects:
+      - repo: openstack/magnum
+        hash: 312aa6a86ac8e62f6ed4f1e9473fdabbbb7a4b1e
 branches:
   - name: stable/yoga
     location: 14.0.0.0rc1