fix: ops/docker/Dockerfile.packages to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN11-DB53-2825168
- https://snyk.io/vuln/SNYK-DEBIAN11-ZLIB-6008961
- https://snyk.io/vuln/SNYK-DEBIAN11-GLIBC-521063
- https://snyk.io/vuln/SNYK-DEBIAN11-GLIBC-521063
- https://snyk.io/vuln/SNYK-DEBIAN11-TAR-523480

ops/docker/Dockerfile.packages

@@ -35,7 +35,7 @@ FROM us-docker.pkg.dev/oplabs-tools-artifacts/images/ci-builder:latest as foundr
 # we use it rather than alpine because it's not much
 # bigger and alpine is often missing packages for node applications
 # alpine is not officially supported by node.js
-FROM node:20.16-bullseye-slim as base
+FROM node:20.18-bullseye-slim as base
 
 # Base: install deps
 RUN apt-get update && apt-get install -y \