[Stable Only] Fix parent for nftables job

The job was inheriting from master variant which
is wrong.

Closes-Bug: 2042947
Change-Id: If50aaf0e1cb10d15ed089f18c040982c3c2519a1

Author: karelyatin

zuul.d/base.yaml

@@ -152,7 +152,7 @@
 
 - job:
     name: neutron-linuxbridge-tempest-plugin-nftables
-    parent: neutron-tempest-plugin-linuxbridge
+    parent: neutron-tempest-plugin-linuxbridge-2023-1
     pre-run: playbooks/install_nftables.yaml
     vars:
       devstack_local_conf:
@@ -163,7 +163,7 @@
 
 - job:
     name: neutron-ovs-tempest-plugin-iptables_hybrid-nftables
-    parent: neutron-tempest-plugin-openvswitch-iptables_hybrid
+    parent: neutron-tempest-plugin-openvswitch-iptables_hybrid-2023-1
     pre-run: playbooks/install_nftables.yaml
     vars:
       devstack_local_conf: