[manila] Transition Stein to EM

This transition the stein branch to extended maintenance.
Changes for bugfixes and things the team deems important are
still encouraged, but there will no longer be official releases
off of the branch.

Change-Id: Iff6b798225909d46f8c49927e8fad1eab3ebdfe0
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>

deliverables/stein/manila-ui.yaml

@@ -19,6 +19,10 @@ releases:
       - repo: openstack/manila-ui
         hash: cc52163a36cd4863ebe96bfef0a163b4190d01b2
     version: 2.18.1
+  - version: stein-em
+    projects:
+      - repo: openstack/manila-ui
+        hash: cc52163a36cd4863ebe96bfef0a163b4190d01b2
 branches:
   - location: 2.18.0
     name: stable/stein

deliverables/stein/manila.yaml

@@ -43,6 +43,10 @@ releases:
     projects:
       - repo: openstack/manila
         hash: ef8d704c3b08d7de64926549a2f8f14cec3bfd0b
+  - version: stein-em
+    projects:
+      - repo: openstack/manila
+        hash: ef8d704c3b08d7de64926549a2f8f14cec3bfd0b
 branches:
   - location: 8.0.0.0rc1
     name: stable/stein

deliverables/stein/python-manilaclient.yaml

@@ -19,6 +19,10 @@ releases:
       - hash: 07564879ae4bdcb73e856b3aedcb79e4420fa7eb
         repo: openstack/python-manilaclient
     version: 1.27.0
+  - version: stein-em
+    projects:
+      - repo: openstack/python-manilaclient
+        hash: 07564879ae4bdcb73e856b3aedcb79e4420fa7eb
 branches:
   - location: 1.27.0
     name: stable/stein