docs: update docs-devsite.sh to use latest node-js-rad version

[gcf-owl-bot[bot]]

Co-authored-by: sofisl 55454395+sofisl@users.noreply.github.com

Source-Link: https://github.com/googleapis/synthtool/commit/b1ced7db5adee08cfa91d6b138679fceff32c004 Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest@sha256:0527a86c10b67742c409dc726ba9a31ec4e69b0006e3d7a49b0e6686c59cdaa9

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (9455e59) 68.87% compared to head (29a5165) 68.87%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #871 +/- ## ======================================= Coverage 68.87% 68.87% ======================================= Files 7 7 Lines 1253 1253 Branches 58 58 ======================================= Hits 863 863 Misses 389 389 Partials 1 1 ```

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