New releases of the Neutron stable versions

We had recently merged fixes for 2 security issues [1] and [2] so let's
do new releases of supported Neutron branches with those fixes.

[1] https://bugs.launchpad.net/neutron/+bug/1942179
[2] https://bugs.launchpad.net/neutron/+bug/1939733

Change-Id: I44b055ad48795d9ad9674ab282f50fedf4b59ece

deliverables/ussuri/neutron.yaml

@@ -47,6 +47,10 @@ releases:
     projects:
       - repo: openstack/neutron
         hash: d07ad0324ab2e6171bb57997960c13159813c712
+  - version: 16.4.1
+    projects:
+      - repo: openstack/neutron
+        hash: 6a761dc42da99625bb18b4aabf4e2b340396c78c
 cycle-highlights:
   - The ``OVN`` driver is now merged into Neutron repository and is
     one of the in-tree Neutron ML2 drivers, like ``linuxbridge`` or

deliverables/victoria/neutron.yaml

@@ -46,6 +46,10 @@ releases:
     projects:
       - repo: openstack/neutron
         hash: d3818308d189da845c3a10834cbdb0717645d91f
+  - version: 17.2.1
+    projects:
+      - repo: openstack/neutron
+        hash: d961731a73128125ebf03fae52b4b34f3e7abf27
 branches:
   - name: stable/victoria
     location: 17.0.0.0rc1

deliverables/wallaby/neutron.yaml

@@ -40,6 +40,10 @@ releases:
     projects:
       - repo: openstack/neutron
         hash: c1390d86a0e1748b739544a6dc9b6aff070eeff7
+  - version: 18.1.1
+    projects:
+      - repo: openstack/neutron
+        hash: c5e86f4f8f7e36233f383323e24e72dbe28efc04
 branches:
   - name: stable/wallaby
     location: 18.0.0.0rc1