Qbeast Alpha release (based on unreleased Apache Celeborn 0.7.0)

Artifacts (on private GH repositories)

Docker images (multi platform): ghcr.io/qbeast-io/celeborn:0.7.0-qbeast-alpha

Client for Spark 3.5 and Scala 2.12: https://github.com/Qbeast-io/celeborn/packages/2843618

<dependency>
  <groupId>org.apache.celeborn</groupId>
  <artifactId>celeborn-client-spark-3-shaded_2.12</artifactId>
  <version>0.7.0-qbeast-alpha</version>
</dependency>

Client for Spark 4.x and Scala 2.13: https://github.com/Qbeast-io/celeborn/packages/2855248

<dependency>
  <groupId>org.apache.celeborn</groupId>
  <artifactId>celeborn-client-spark-4-shaded_2.13</artifactId>
  <version>0.7.0-qbeast-alpha-spark4</version>
</dependency>