docs: update docs-devsite.sh to use latest node-js-rad version (#1418)

Co-authored-by: sofisl <[email protected]>

Source-Link: googleapis/synthtool@b1ced7d
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest@sha256:0527a86c10b67742c409dc726ba9a31ec4e69b0006e3d7a49b0e6686c59cdaa9

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

.github/.OwlBot.lock.yaml

@@ -13,4 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest
-  digest: sha256:e6d785d6de3cab027f6213d95ccedab4cab3811b0d3172b78db2216faa182e32
+  digest: sha256:0527a86c10b67742c409dc726ba9a31ec4e69b0006e3d7a49b0e6686c59cdaa9
+# created: 2023-05-24T20:32:43.844586914Z