New Dataproc on Compute Engine subminor image versions 2.1.110-debian11, 2.1.110-rocky8, 2.1.110-ubuntu20, 2.1.110-ubuntu20-arm

## Announcement Announcement New [Dataproc on Compute Engine subminor image versions](https://docs.cloud.google.com/dataproc/docs/concepts/versioning/dataproc-version-clusters#supported-dataproc-image-versions): * 2.1.110-debian11, 2.1.110-rocky8, 2.1.110-ubuntu20, 2.1.110-ubuntu20-arm * 2.2.78-debian12, 2.2.78-rocky9, 2.2.78-ubuntu22, 2.2.78-ubuntu22-arm * 2.3.25-debian12, 2.3.25-ml-ubuntu22, 2.3.25-rocky9, 2.3.25-ubuntu22, 2.3.25-ubuntu22-arm ## Fix Fixed * Fixed CVEs CVE-2025-58057, CVE-2025-53864, CVE-2025-68161, CVE-2025-48924 (partial), and CVE-2025-33042. * Upgraded hms-proxy to v0.0.78 to fix CVEs. ## Feature Feature Enabled Optimized Iceberg Vacuum by default in Spark for premium tier clusters. When enabled, Dataproc will use a shuffle-based approach to rewrite data files, which can improve performance for MERGE queries that modify a large number of files. To disable this feature, set `spark.dataproc.sql.optimizer.lowShuffleMerge.enabled` to `false`.