v1.20.3

What's Changed

Important Dependency upgrades

• Upgrade to spring-boot 4 by @dennisvang in #922

Bugfixes and other changes

• Trigger end-to-end tests in docker-publish workflow by @dennisvang in #938
• Fix end-to-end tests in docker-publish workflow by @dennisvang in #939

Full Changelog: v1.20.2...v1.20.3