[qa] Transition Queens to End of Life

This patch moves devstack and grenade projects' stable/queens branch to
End of Life. These are the last open stable/queens branches (together
with requirements repository) as these need to be transition the last.

Change-Id: Ie9708290b6935d14266da97d8ad4b582b9d92a71

deliverables/queens/devstack.yaml

@@ -4,6 +4,11 @@ release-model: untagged
 team: 'Quality Assurance'
 type: other
 stable-branch-type: tagless
+releases:
+  - version: queens-eol
+    projects:
+      - repo: openstack/devstack
+        hash: 4da98ee6d48c159be8d48923f189dd923bb17e31
 branches:
   - location:
       openstack/devstack: 47467acf2f607c7e436eb3d42c5cf764011883f9

deliverables/queens/grenade.yaml

@@ -4,6 +4,11 @@ release-model: untagged
 team: 'Quality Assurance'
 type: other
 stable-branch-type: tagless
+releases:
+  - version: queens-eol
+    projects:
+      - repo: openstack/grenade
+        hash: b94f0a4c603f18d9d9f343d71bcf4baba1b73e8c
 branches:
   - location:
       openstack/grenade: fce6befbb50fdc774f16fa963dd51e2bb8eedd63