Compare
optaplanner/build/optaplanner-build-parent
<version.org.springframework.boot>2.7.4</version.org.springframework.boot>
and
optaplanner-quickstats/technology/java-spring-boot/
<version.org.springframework.boot>2.7.7</version.org.springframework.boot>

https://github.com/kiegroup/optaplanner-quickstarts/pull/506