Bump TrustyAI to 1.9

[RobGeada]

Updates the TrustyAI image to 1.9 from 1.8, which should fix the TrustyAI metrics not appearing in the model-monitoring stack.

Description

How Has This Been Tested?

Via TrustyAI's Openshift-CI

Merge criteria:

• The commits are squashed in a cohesive manner and have meaningful messages.
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

[ruivieira]

For reference, monitoring PR in question (included in 1.9.0)

• Add central ServiceMonitor to operator's namespace trustyai-explainability/trustyai-service-operator#81

[RobGeada]

/retest

[RobGeada]

/retest

[RobGeada]

/retest

[ruivieira]

/approve

[anishasthana]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: anishasthana, ruivieira, tteofili

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