As of this CL, the LTS 6.10.3 "Node.js" is now available in CIPD: https://chromium-review.googlesource.com/c/497888/

We probably should update the Infra "wct" recipe module to use the new package.

https://cs.chromium.org/chromium/infra/recipes/recipe_modules/wct/api.py?l=22

Passing to author of that package to triage. Feel free to WontFix if you don't care.