chore(deps): update node.js to a7a3b7e (#332)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Dockerfile

@@ -2,7 +2,7 @@
 # The image is built with official Node 20 on Debian Bookworm (LTS Iron)  image and uses the Distroless base image for security and minimalism.
 
 # Stage 1: Build Environment
-FROM node:iron-bookworm@sha256:df14706cfff86aa0d77d8e5b39642d41209953e3ccb74bddc1519efc52094f1a AS build-env
+FROM node:iron-bookworm@sha256:a7a3b7ec6de4b11bb2d673b31de9d28c6da09c557ee65453672c8e4f754c23fc AS build-env
 USER root
 # Create a new user and group named "nonroot" with the UID 65532 and GID 65532, not a member of the root, sudo, and sys groups, and set the home directory to /home/nonroot.
 # This user is used to run the Ghost application in the container for security reasons.