Release: TrustyAI Operator 1.26.0, Service 0.20.0, Python 0.6.1

[ruivieira]

TrustyAI Operator 1.26.0, TrustyAI Service 0.20.0 and Python TrustyAI 0.6.1 have been released.
The release notes are available at:

• https://github.com/trustyai-explainability/trustyai-service-operator/releases/tag/v1.26.0
• https://github.com/trustyai-explainability/trustyai-explainability/releases/tag/v0.20.0
• https://github.com/trustyai-explainability/trustyai-explainability-python/releases/tag/0.6.1