EOL Neutron and neutron-lib stable/train release

As discussed in the ML [1], this patch is closing the missing projects
in the stable/train release.

[1]https://lists.openstack.org/pipermail/openstack-discuss/2023-September/035000.html

Change-Id: Ic4fd21fed278a96951e0a570a7d48eb117b089dc

deliverables/train/neutron-lib.yaml

@@ -35,6 +35,10 @@ releases:
     projects:
       - repo: openstack/neutron-lib
         hash: d53744e0370096048aea8f394fa1a7342c774fd6
+  - version: train-eol
+    projects:
+      - repo: openstack/neutron-lib
+        hash: dcb866032452b90270d620951a17d3a8de9433d6
 branches:
   - name: stable/train
     location: 1.29.1

deliverables/train/neutron.yaml

@@ -63,6 +63,10 @@ releases:
     projects:
       - repo: openstack/neutron
         hash: 0f18d406a4134cf769fdf6f2a004c98cbe409215
+  - version: train-eol
+    projects:
+      - repo: openstack/neutron
+        hash: 63bac0fb435d66ab3d1e1775435a5b6ab6752c6e
 cycle-highlights:
   - When different subnet pools participate in the same address scope,
     the constraints disallowing subnets to be allocated from different