Add 3.1.0 murano ocata deliverables

Change-Id: Ic2ad3fdb7ade8aedf37aad50160be79c8e162fa7

deliverables/ocata/murano-agent.yaml

@@ -3,3 +3,8 @@ launchpad: murano
 release-model: cycle-with-intermediary
 team: murano
 type: other
+releases:
+  - version: 3.1.0
+    projects:
+      - repo: openstack/murano-agent
+        hash: 8739083d09ad459a5b2aa156705a9b8569303864

deliverables/ocata/murano-dashboard.yaml

@@ -3,3 +3,8 @@ launchpad: murano
 release-model: cycle-with-intermediary
 team: murano
 type: horizon-plugin
+releases:
+  - version: 3.1.0
+    projects:
+      - repo: openstack/murano-dashboard
+        hash: 6b00791ffba02a98c55f1defd55adb177306edd2

deliverables/ocata/murano.yaml

@@ -3,3 +3,8 @@ launchpad: murano
 release-model: cycle-with-intermediary
 team: murano
 type: service
+releases:
+  - version: 3.1.0
+    projects:
+      - repo: openstack/murano
+        hash: 3d8559b4e6af364e623691d140fa662f704c0e74