Add OOD proxy node deployment to CI/CD pipeline

• Introduce new job 'deploy_ood_proxy_node' in deploy stage
• Create OOD proxy server using existing OOD image
• Attach proxy to knightly network
• Assign floating IP to proxy instance
• Store proxy instance ID as artifact for potential future use
• Update variables section with OOD proxy related configurations

.gitlab-ci.yml

@@ -50,12 +50,11 @@ deploy_ood_proxy_node:
   tags:
     - build
   script:
-    - openstack image set --accept $BUILT_OOD_IMAGE_ID
     - |
       openstack server create \
-        --image $BUILT_OOD_IMAGE_ID \
-        --flavor $INSTANCE_FLAVOR \
-        --network $OOD_INSTANCE_NETWORK \
+        --image $PKR_VAR_source_image \
+        --flavor $PKR_VAR_flavor \
+        --network $PKR_VAR_networks \
         --wait \
         $OOD_PROXY_NAME
     - PROXY_INSTANCE_ID=$(openstack server show -f value -c id $OOD_PROXY_NAME)