Add new Docker-DB versions

[tkilias]

Summary

A new Docker-DB version which we need to support have been released.

Versions: 8.27.0 (2024-05--02) 8.26.0 (2024-04-22) 8.25.0 (2024-02-15) 8.24.0 (2023-12-20) 8.23.1 (2023-11-07) 8.23.0 (2023-11-06) 8.22.0 (2023-08-29) 8.21.0 (2023-08-04) 8.20.0 (2023-07-12) 8.19.0 (2023-06-15) (not available) 8.18.1 (2023-06-02) (already done)

7.1.26 (2024-04-19) 7.1.25 (2023-12-04) 7.1.24 (2023-10-24) 7.1.23 (2023-09-11) 7.1.22 (2023-07-24) 7.1.21 (2023-06-16) 7.1.20 (2023-05-11) 7.1.19 (2023-03-21) 7.1.18 (2023-02-17)

Task(s)

• [x] Add config for Docker-DB X.Y.Z
• [ ] Change default image version to X.Y.Z
• [x] Update LATEST_DB_VERSION in test_environment_options.py
• [x] Update currently supported version(s) in user_guide.rst
• [ ] Update changelog