chore(deps): bump helloworld_apps::devops-stack-module-applicationset

Bumps [helloworld_apps::devops-stack-module-applicationset](https://github.com/camptocamp/devops-stack-module-applicationset) from 3.0.0 to 4.0.0.
- [Release notes](https://github.com/camptocamp/devops-stack-module-applicationset/releases)
- [Changelog](https://github.com/camptocamp/devops-stack-module-applicationset/blob/main/CHANGELOG.md)
- [Commits](camptocamp/devops-stack-module-applicationset@v3.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: helloworld_apps::github::camptocamp/devops-stack-module-applicationset::v3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

examples/sks/apps.tf

@@ -1,5 +1,5 @@
 module "helloworld_apps" {
-  source = "git::https://github.com/camptocamp/devops-stack-module-applicationset.git?ref=v3.0.0"
+  source = "git::https://github.com/camptocamp/devops-stack-module-applicationset.git?ref=v4.0.0"
 
   dependency_ids = {
     argocd = module.argocd.id