Release: TrustyAI Operator 1.18.0, TrustyAI Service 0.12.0

[ruivieira]

TrustyAI Operator 1.18.0 and TrustyAI Service 0.12.0 have been released.
The release notes are available at:

• https://github.com/trustyai-explainability/trustyai-service-operator/releases/tag/v1.18.0
• https://github.com/trustyai-explainability/trustyai-explainability/releases/tag/v0.12.0