Release manila 9.1.1 off of stable/train

Includes fixes for:
- Bug #1853805 (python3 compatibility in the VNX/PowerMax drivers)
- Bug #1859775 (Quotas logging message fix)
- Bug #1859785 (database optimization for api query)
- Bug #1861485 (CVE-2020-9543)
- Bug #1654598 (policy check for export locations api)

Also includes a fix to the reference "generic" driver
to not fail share creation if manila already has access
to the storage administrator network.

Change-Id: I6fb07ce56a4979179242b96399e563150dc958a4
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>

deliverables/train/manila.yaml

@@ -36,6 +36,10 @@ releases:
     projects:
       - repo: openstack/manila
         hash: 9da5594fbd943099995a86948de1f72c2d78fb26
+  - version: 9.1.1
+    projects:
+      - repo: openstack/manila
+        hash: 02fd716bf83849873f0bccb78b851196e6acf2b7
 branches:
   - name: stable/train
     location: 9.0.0.0rc1