[manila] Release manila 9.1.5

This release includes several bugfixes
and enhancements committed against the
stable/train branch.

Change-Id: Ib3a84252b5e75f56f382954d0df5169d8e1232fd
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>

deliverables/train/manila.yaml

@@ -52,6 +52,10 @@ releases:
     projects:
       - repo: openstack/manila
         hash: 690c9ac250bdd82df63646c4258f3c2964e46785
+  - version: 9.1.5
+    projects:
+      - repo: openstack/manila
+        hash: 960e45bd255dafacef7c6f895aca9477fcd12d9b
 branches:
   - name: stable/train
     location: 9.0.0.0rc1