fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN11-GNUTLS28-6062102
- https://snyk.io/vuln/SNYK-DEBIAN11-PERL-6085272
- https://snyk.io/vuln/SNYK-DEBIAN11-TAR-3253527
- https://snyk.io/vuln/SNYK-DEBIAN11-ZLIB-6008961
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-6564548

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:18.18-bullseye-slim AS base
+FROM node:18.20.2-bullseye-slim AS base
 
 FROM base AS deps
 RUN apk add --no-cache libc6-compat