[neutron] Transition Train to End of Life

With the new resolution '2023-07-24 Unmaintained status replaces
Extended Maintenance' [1] the last 3 EM branches (Xena, Wallaby,
Victoria) will transition to Unmaintained, but older branches (Ussuri,
Train) should move to End of Life unless someone steps up as maintainer
of this branch for this project.

To signal this, please add a -1 for this patch if you or the team want
to keep this branch open for further maintenance.
If there is no response from anyone within a reasonable time frame,
then PTLs/release liaisons will be asked to confirm the EOL transition
with their +1.

[1] https://governance.openstack.org/tc/resolutions/20230724-unmaintained-branches.html

Change-Id: I7e214cbfc9112378dbe961ae1c593136f8916cb4

deliverables/train/os-ken.yaml

@@ -19,6 +19,10 @@ releases:
     projects:
       - repo: openstack/os-ken
         hash: 8f7851a72748563ff9d1eaa75971e89769083d9b
+  - version: train-eol
+    projects:
+      - repo: openstack/os-ken
+        hash: db717cc793c37eac317726a9f50823f82698708f
 branches:
   - name: stable/train
     location: 0.4.1

deliverables/train/ovsdbapp.yaml

@@ -38,6 +38,10 @@ releases:
     projects:
       - repo: openstack/ovsdbapp
         hash: 11ca35873fdb4d6e07b8b01d132ba85c69d62c74
+  - version: train-eol
+    projects:
+      - repo: openstack/ovsdbapp
+        hash: fdfd76e420e3d2c55e86d1a9f8a0a01a641137e8
 branches:
   - name: stable/train
     location: 0.17.0

deliverables/train/python-neutronclient.yaml

@@ -23,6 +23,10 @@ releases:
     projects:
       - repo: openstack/python-neutronclient
         hash: a09e82470fd934e1ecb46b53a1c0836ef4df744b
+  - version: train-eol
+    projects:
+      - repo: openstack/python-neutronclient
+        hash: a09e82470fd934e1ecb46b53a1c0836ef4df744b
 branches:
   - name: stable/train
     location: 6.14.0