Update tektoncd-hub-1-21-ui to af2ca47

Image created from 'https://github.com/openshift-pipelines/tektoncd-hub.git?rev=262dda028c23d3b650adbfb241476333403f3dd7'

Signed-off-by: red-hat-konflux-kflux-prd-rh02 <190377777+red-hat-konflux-kflux-prd-rh02[bot]@users.noreply.github.com>

Author: red-hat-konflux-kflux-prd-rh02[bot]

project.yaml

@@ -44,7 +44,7 @@ images:
   - name: IMAGE_HUB_TEKTON_HUB_API
     value: quay.io/redhat-user-workloads/tekton-ecosystem-tenant/1-21/hub-api-rhel9@sha256:e4f234371377bf2a766021c3d9ff86df98c192e0d1f86ebd3494ae4d9264b978
   - name: IMAGE_HUB_TEKTON_HUB_UI
-    value: quay.io/redhat-user-workloads/tekton-ecosystem-tenant/1-21/hub-ui-rhel9@sha256:c6a0c1ab54763a6a28cb8dc894f908a220f6834f480c89a6cc988149bfe59b59
+    value: quay.io/redhat-user-workloads/tekton-ecosystem-tenant/1-21/hub-ui-rhel9@sha256:af2ca4777ad4af4f77259996a6a29ebef97a673cec1bad66e6e3cefe625d41c0
   # tektoncd-results
   - name: IMAGE_RESULTS_WATCHER
     value: quay.io/redhat-user-workloads/tekton-ecosystem-tenant/1-21/results-watcher-rhel9@sha256:58cf1348c5526ca53bc960c2eda3a8f1a471f34e4d8e701dc005e875c79cde09