Release 1.6

[dgarcia360]

Checklist

• Update CHANGELOG
• Write migration guide (if necessary)
• Local testing with a couple of projects (e.g. cloud and care-pet).
• Release theme
• Open PRs in the repositories that have the toolchain installed.
  • Sphinx ScyllaDB theme
  • Scylla docs landing: docs: update theme 1.6 scylladb-docs-homepage#4
  • Enterprise: It will receive the update automatically once docs: update theme 1.6 scylladb#15782 is migrated.
  • Cloud: https://github.com/scylladb/scylla-cloud-doc/pull/163
  • Open-source: docs: update theme 1.6 scylladb#15782
  • Carepet: docs: update theme 1.6 care-pet#144
  • Operator: Update ScyllaDB Documentation Theme to 1.6  scylla-operator#1460
  • Manager: docs: update theme 1.6 scylla-manager#3605
  • Monitoring: docs: update theme 1.6 scylla-monitoring#2077
  • Python driver: docs: update theme 1.6 python-driver#258
  • Cpp driver: docs: update theme 1.6 cpp-driver#88
  • Java driver: docs: update theme 1.6 java-driver#265
  • Rust driver: docs: update theme 1.6 scylla-rust-driver#827
  • Feature store: https://github.com/scylladb/scylladb-feature-store
  • Scylla-cloud getting started: docs: update theme 1.6 scylla-cloud-getting-started#29