[WSGI] Keep eventlet server for older versions of NDR

Related-Bug: #2069581
Topic: eventlet-deprecation
Change-Id: I76e1ec7d5a82ed6416b12b3866c70a0d3127eb24

zuul.d/2023_1_jobs.yaml

@@ -278,6 +278,9 @@
     parent: neutron-tempest-plugin-dynamic-routing
     nodeset: openstack-single-node-jammy
     override-checkout: stable/2023.1
+    vars:
+      devstack_localrc:
+        NEUTRON_DEPLOY_MOD_WSGI: false
 
 - job:
     name: neutron-tempest-plugin-fwaas-2023-1

zuul.d/2023_2_jobs.yaml

@@ -273,6 +273,9 @@
     parent: neutron-tempest-plugin-dynamic-routing
     nodeset: openstack-single-node-jammy
     override-checkout: stable/2023.2
+    vars:
+      devstack_localrc:
+        NEUTRON_DEPLOY_MOD_WSGI: false
 
 - job:
     name: neutron-tempest-plugin-fwaas-2023-2

zuul.d/2024_1_jobs.yaml

@@ -272,6 +272,9 @@
     parent: neutron-tempest-plugin-dynamic-routing
     nodeset: openstack-single-node-jammy
     override-checkout: stable/2024.1
+    vars:
+      devstack_localrc:
+        NEUTRON_DEPLOY_MOD_WSGI: false
 
 - job:
     name: neutron-tempest-plugin-fwaas-2024-1

zuul.d/victoria_jobs.yaml

@@ -317,6 +317,8 @@
     required-projects: *required-projects-victoria
     vars:
       network_api_extensions_common: *api_extensions
+      devstack_localrc:
+        NEUTRON_DEPLOY_MOD_WSGI: false
 
 - job:
     name: neutron-tempest-plugin-vpnaas-victoria

zuul.d/wallaby_jobs.yaml

@@ -248,6 +248,8 @@
     required-projects: *required-projects-wallaby
     vars:
       network_api_extensions_common: *api_extensions
+      devstack_localrc:
+        NEUTRON_DEPLOY_MOD_WSGI: false
 
 - job:
     name: neutron-tempest-plugin-vpnaas-wallaby

zuul.d/zed_jobs.yaml

@@ -266,6 +266,7 @@
         Q_AGENT: openvswitch
         Q_ML2_TENANT_NETWORK_TYPE: vxlan
         Q_ML2_PLUGIN_MECHANISM_DRIVERS: openvswitch
+        NEUTRON_DEPLOY_MOD_WSGI: false
       devstack_services:
         # Disable OVN services
         br-ex-tcpdump: false