newton: release nova 14.0.7

Contains some high severity fixes which impact upgrades
and performance.

user@ubuntu:~/git/nova$ git log --oneline --no-merges 14.0.6..
c350548 Updated from global requirements
e3076f5 Handle special characters in database connection URL netloc
f9a3c3f Fix the generated cell0 default database name
d6a628d Cache database and message queue connection objects
b4bbe68 Fixed suspend for PCI passthrough

Change-Id: If9358f649742f37ca24a79060b9289c689284b5d

deliverables/newton/nova.yaml

@@ -72,3 +72,19 @@ releases:
         hash: 0c56c62878138c3c3d2dfc6827e4cf8f34953bea
     highlights: >
       - Bug fixes.
+  - version: 14.0.7
+    projects:
+      - repo: openstack/nova
+        hash: d756b78e303753e1b88e0691aa0fd13d2edaf1f0
+    highlights: >
+      - High severity bug fixes:
+
+        * Bug 1673613: Properly handles special characters in database
+          connection URL when setting up cells v2 (optional in Newton).
+        * Bug 1656673: Fixes "nova-manage cell_v2 simple_cell_setup" to
+          default the cell0 database name in the cell0 connection URL to be
+          "nova_cell0" rather than "nova_api_cell0" (optional in Newton).
+        * Bug 1691545: Fixes a performance regression which caused
+          high consumption of memory due to database connection switching.
+
+        See the release notes for more details.