Release manila 8.1.4 for stable/stein

This change creates the 8.1.4 release of manila,
that includes several bug-fixes.

Change-Id: I9daef363b3b561b92759933401b14a5414dc8063

deliverables/stein/manila.yaml

@@ -39,6 +39,10 @@ releases:
     projects:
       - repo: openstack/manila
         hash: ef79a1df75850e2bf0e8c7e9ac95ceab93cd3232
+  - version: 8.1.4
+    projects:
+      - repo: openstack/manila
+        hash: ef8d704c3b08d7de64926549a2f8f14cec3bfd0b
 branches:
   - location: 8.0.0.0rc1
     name: stable/stein