chore(deps): update tektoncd-hub-1-20-ui to 509c400

[red-hat-konflux-kflux-prd-rh02]

Image created from 'https://github.com/openshift-pipelines/tektoncd-hub.git?rev=2bc0e13141ad5bc0d44dba48432c435508b26f63'

This PR contains the following updates:

Package	Update	Change
quay.io/redhat-user-workloads/tekton-ecosystem-tenant/pipelines-hub-ui-rhel9	digest	6698fa8 -> 509c400

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[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

Approval requirements bypassed by manually added approval.

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The pull request process is described here

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New changes are detected. LGTM label has been removed.