Updated to use Node 24 and Debian Trixie

Signed-off-by: Andre Wanlin <awanlin@spotify.com>

docs/tooling/cli/02-build-system.md

@@ -417,7 +417,7 @@ The following is an example of a `Dockerfile` that can be used to package the
 output of building a package with role `'backend'` into an image:
 
 ```Dockerfile
-FROM node:20-bookworm-slim
+FROM node:24-trixie-slim
 WORKDIR /app
 
 COPY yarn.lock package.json packages/backend/dist/skeleton.tar.gz ./