chore(deps): update kubeflow-pipelines to v1.8.5 (minor)

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
gcr.io/ml-pipeline/api-server	Kustomization	minor	1.6.0 -> 1.8.5
gcr.io/ml-pipeline/cache-deployer	Kustomization	minor	1.6.0 -> 1.8.5
gcr.io/ml-pipeline/cache-server	Kustomization	minor	1.6.0 -> 1.8.5
gcr.io/ml-pipeline/frontend	Kustomization	minor	1.6.0 -> 1.8.5
gcr.io/ml-pipeline/metadata-envoy	Kustomization	minor	1.6.0 -> 1.8.5
gcr.io/ml-pipeline/metadata-writer	Kustomization	minor	1.6.0 -> 1.8.5
gcr.io/ml-pipeline/persistenceagent	Kustomization	minor	1.6.0 -> 1.8.5
gcr.io/ml-pipeline/scheduledworkflow	Kustomization	minor	1.6.0 -> 1.8.5
gcr.io/ml-pipeline/viewer-crd-controller	Kustomization	minor	1.6.0 -> 1.8.5
gcr.io/ml-pipeline/visualization-server	Kustomization	minor	1.6.0 -> 1.8.5

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