Bump node from ad58eb6 to 968ca05 (#365)

Co-authored-by: dependabot[bot] <49699333+dependabot[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:ad58eb609e8447fa2b6c925e15186682fd86bb00a976ccb04b165243ae4ed92e AS build-env
+FROM node:iron-bookworm@sha256:968ca0550acc7589a8b1324401ec6e39ace53b2c82d2aed3a278e9ff491c2b1c 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.