chore(update): xxx - upgrade node:alpine version

Author: ds-mwesener

CHANGELOG.md

@@ -8,7 +8,7 @@ to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 _**For better traceability add the corresponding GitHub issue number in each changelog entry, please.**_
 ## [UNRELEASED - DD.MM.YYYY]
 ### Changed
-- #XXX Updated node:alpine 18 to 22 to fix cves
+- #XXX Updated node:alpine 18 to 20 to fix cves
 - #1070 Convert png to svg according to TRG 1.04 - Diagrams as code / Editable static files
 - #XXX updated Swagger-ui documentation
 - #XXX update IRS chart version from 7.3.1 to 7.4.0

frontend/DOCKER_NOTICE.md

@@ -17,7 +17,7 @@ __Traceability-foss__
 
 - [node:22-alpine](https://github.com/nodejs/docker-node)
 - Official Node DockerHub page: https://hub.docker.com/_/node/
-- Dockerfile: https://github.com/nodejs/docker-node/tree/main/22/alpine3.20/Dockerfile
+- Dockerfile: https://github.com/nodejs/docker-node/blob/main/20/alpine3.20/Dockerfile
 
 
 - [nginxinc/nginx-unprivileged:alpine](https://github.com/nginxinc/docker-nginx)

frontend/Dockerfile

@@ -17,7 +17,7 @@
 
 # Nonroot user is not needed beause we are using the "nginx-unprivileged" image
 # STAGE 1: Build
-FROM node:22-alpine AS builder
+FROM node:20-alpine AS builder
 
 # Copy dependencies info
 COPY ./frontend/package.json ./frontend/yarn.lock ./