build(deps): bump node from 7bfef1d to 4999fa1 in /build (#2946)

Bumps node from `7bfef1d` to `4999fa1`.

---
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@sha256:7bfef1d72befbb72b0894a3e4503edbdc0441058b4d091325143338cbf54cff8
+FROM node:21-alpine@sha256:4999fa1391e09259e71845d3d0e9ddfe5f51ab30253c8b490c633f710c7446a0
 
 ARG UID=1000
 ARG GID=1000