Update auto-build-image to v0.4.0

The only upstream change is an update of the pack CLI to v0.12.0.

See https://gitlab.com/gitlab-org/cluster-integration/auto-build-image/-/releases/v0.4.0

changelogs/unreleased/update-auto-build-image-to-v0-4-0.yml

+---
+title: Update auto-build-image to v0.4.0 for an updated version of the pack CLI (v0.12.0) for
+  Cloud Native Buildpack builds
+merge_request: 39159
+author:
+type: changed

lib/gitlab/ci/templates/Jobs/Build.gitlab-ci.yml

 build:
   stage: build
-  image: "registry.gitlab.com/gitlab-org/cluster-integration/auto-build-image:v0.3.1"
+  image: "registry.gitlab.com/gitlab-org/cluster-integration/auto-build-image:v0.4.0"
   variables:
     DOCKER_TLS_CERTDIR: ""
   services: