Release vitrage, python-vitrageclient and vitrage-dashboard 3.0.0

Change-Id: Icb522f0e7de2528f31d2d4cb413e70fddd4b3378

deliverables/rocky/python-vitrageclient.yaml

@@ -6,3 +6,8 @@ team: vitrage
 type: client-library
 repository-settings:
   openstack/python-vitrageclient: {}
+releases:
+  - version: 2.2.0
+    projects:
+      - repo: openstack/python-vitrageclient
+        hash: 119addb8bfb532db63efd7e260bacddc6748a0bd

deliverables/rocky/vitrage-dashboard.yaml

@@ -5,3 +5,8 @@ team: vitrage
 type: horizon-plugin
 repository-settings:
   openstack/vitrage-dashboard: {}
+releases:
+  - version: 1.5.0
+    projects:
+      - repo: openstack/vitrage-dashboard
+        hash: f529174252389695f9088477e272f4a436655bfa

deliverables/rocky/vitrage.yaml

@@ -5,3 +5,8 @@ team: vitrage
 type: service
 repository-settings:
   openstack/vitrage: {}
+releases:
+  - version: 3.0.0
+    projects:
+      - repo: openstack/vitrage
+        hash: 28716bc2d97b54c5307c96adb7dca42b0b235c97