chore(deps): bump library/node from 8ec0232 to c6add15 in /ui-test (

argoproj#19807)

Bumps library/node from `8ec0232` to `c6add15`.

---
updated-dependencies:
- dependency-name: library/node
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

ui-test/Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/library/node:22.8.0@sha256:8ec02324cb37718197de92e51677781be9f1345c709f31a1f44440c6036d24a2 as node
+FROM docker.io/library/node:22.8.0@sha256:c6add15c26b86f1ad3f43c8339cf04da4b01984b6b348d9879f9509049381252 as node
 
 RUN apt-get update && apt-get install --no-install-recommends -y \
     software-properties-common