Release manila 9.1.2 off of stable/train

Includes fixes for:
- Bug #1873963 (netapp cross cluster peering)
- Bug #1858328 (driver shrink behavior)
- Bug #1872873 (scheduler tally of in-flight usages)
- Bug #1872872 (finite user quotas with inf project quotas)
- Bug #1870751 (group and share type access list)
- Bug #1699836 (type deletion with open group types)
- Bug #1872243 (netapp vserver peering)
- Bug #1848889 (netapp share replication)
- Bug #1869712 (expensive calculation in scheduler)
- Bug #1707084 (netapp extra specs)
- Bug #1706137 (netapp QoS)
- Bug #1869148 (extension APIs in pyc files)

Change-Id: I56020d6720fa51086b194ffe08613ef412b9fdb7
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>

deliverables/train/manila.yaml

@@ -40,6 +40,10 @@ releases:
     projects:
       - repo: openstack/manila
         hash: 02fd716bf83849873f0bccb78b851196e6acf2b7
+  - version: 9.1.2
+    projects:
+      - repo: openstack/manila
+        hash: 21b85ab1ada2d9fe74344b03a1867a0ec903e5a1
 branches:
   - name: stable/train
     location: 9.0.0.0rc1