build(deps): bump node from 8bf9240 to 7bfef1d in /build (#2937)

Bumps node from `8bf9240` to `7bfef1d`.

---
updated-dependencies:
- dependency-name: node
  dependency-type: direct:production
...

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

build/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:21-alpine@sha256:8bf9240217fe9cf26456fa685bca1e1b92f8fe6995c8cf73c9876b9d6960bd35
+FROM node:21-alpine@sha256:7bfef1d72befbb72b0894a3e4503edbdc0441058b4d091325143338cbf54cff8
 
 ARG UID=1000
 ARG GID=1000