chore(deps): update node.js to 47dacd4 (#4291)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [node](https://redirect.github.com/nodejs/node) | stage | digest |
`c11ae15` -> `47dacd4` |

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Author: renovate-bot

gcp/website/Dockerfile

@@ -1,5 +1,5 @@
 # Build the Javascript frontend
-FROM node:20.19@sha256:c11ae157cdd9f8b522d5a65e7f3f5f5c34cf45a8bd883c15e8f2028a2673dec7 AS FRONTEND3_BUILD
+FROM node:20.19@sha256:47dacd49500971c0fbe602323b2d04f6df40a933b123889636fc1f76bf69f58a AS FRONTEND3_BUILD
 WORKDIR /build/frontend3
 
 # Install dependencies first for better caching