SSDG `2.6.2` is [based on](https://github.com/spring-projects/spring-session-data-geode/blob/2.6.2/gradle.properties#L11) Spring Session `2.6.3` and [available](https://repo.maven.apache.org/maven2/org/springframework/session/spring-session-data-geode/2.6.2/) in Maven Central. The Spring Session BOM `2021.1.x` needs to be updated accordingly.
