5.0.0

• Major Release - Migrated to Quarkus as application platform
• Updated and/or migrated all corresponding dependencies
• Upgraded MongoDB integration to use reactive client
• Improved Bot Deployment
• Better integration into Kubernetes
• Integration with Keycloak
• Other improvements and bug fixes

Other changes

• Feature/enable keycloak integration by @ginccc in #295
• Feature/multi language bot enhancements by @ginccc in #253
• added possibility to switch language at the beginning or within a conversation by @ginccc in #267
• allow multiple branches in one git repository by @rolandpickl in #278
• conversation store filter exception fixed by @rolandpickl in #293