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

@@ -21,7 +21,7 @@ variables:
   PKR_VAR_security_groups: '["allow-ssh"]'
   PKR_VAR_skip_create_image: "false"
   PKR_VAR_ssh_username: "centos"
-  PKR_VAR_networks: '["8cf2f12e-905d-46d9-bc70-b0897c65f75a"]'
+  PKR_VAR_networks: '["93b33371-6b1e-4b13-aae0-2ca82a675b8f"]'
   PKR_VAR_image_membership: '["cf6fa1e53d4c40a49f4e0e469c440359"]'
   GIT_AUTHOR_NAME: "Gitlab runner"
   GIT_AUTHOR_EMAIL: "gitlab@runner"