Upgrade OpenAPI Generator to v5.4.0.
Upgrade OpenAPI Generator to v5.4.0.

cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins,cliffano/swaggy-jenkins