Astara 8.0.0.0rc3 mitaka release candidate

This adds tag info for the mitaka 8.0.0.0rc3 release for
the following non-released managed repos:

    - openstack/astara
    - openstack/astara-appliance
    - openstack/astara-neutron

These tags have not been created yet and point to the same
hash as RC2. They're created as per Doug's request so run
missing release jobs that were just added to the projects
pipeline.

Change-Id: I0df74df93c5e806c11fb2058b5ce812b9827cf1e

deliverables/mitaka/astara-appliance.yaml

@@ -23,3 +23,7 @@ releases:
     projects:
       - repo: openstack/astara-appliance
         hash: c1a3c7251507adb0745f3a7ec549814b34318088
+  - version: 8.0.0.0rc3
+    projects:
+      - repo: openstack/astara-appliance
+        hash: c1a3c7251507adb0745f3a7ec549814b34318088

deliverables/mitaka/astara-horizon.yaml

@@ -19,3 +19,7 @@ releases:
     projects:
       - repo: openstack/astara-horizon
         hash: fe79b7b37b8d890c6d5be4ee9fb6f5f01c648c5b
+  - version: 8.0.0.0rc2
+    projects:
+      - repo: openstack/astara-horizon
+        hash: fe79b7b37b8d890c6d5be4ee9fb6f5f01c648c5b

deliverables/mitaka/astara-neutron.yaml

@@ -23,3 +23,7 @@ releases:
     projects:
       - repo: openstack/astara-neutron
         hash: 87c8fe3c29690c8774f73fa5b2aa7f608bdc283a
+  - version: 8.0.0.0rc3
+    projects:
+      - repo: openstack/astara-neutron
+        hash: 87c8fe3c29690c8774f73fa5b2aa7f608bdc283a

deliverables/mitaka/astara.yaml

@@ -23,3 +23,7 @@ releases:
     projects:
       - repo: openstack/astara
         hash: 48f76f00f238d699f43d2d6ff13f29c4c0df8dac
+  - version: 8.0.0.0rc3
+    projects:
+      - repo: openstack/astara
+        hash: 48f76f00f238d699f43d2d6ff13f29c4c0df8dac