Update cluster-applications to v0.8.0

changelogs/unreleased/jcunha-update-managed-apps-template.yml

+---
+title: Update cluster-applications to v0.8.0
+merge_request: 25138
+author:
+type: changed

lib/gitlab/ci/templates/Managed-Cluster-Applications.gitlab-ci.yml

 apply:
   stage: deploy
-  image: "registry.gitlab.com/gitlab-org/cluster-integration/cluster-applications:v0.7.0"
+  image: "registry.gitlab.com/gitlab-org/cluster-integration/cluster-applications:v0.8.0"
   environment:
     name: production
   variables:
@@ -12,6 +12,8 @@ apply:
     GITLAB_RUNNER_VALUES_FILE: $CI_PROJECT_DIR/.gitlab/managed-apps/gitlab-runner/values.yaml
     CILIUM_VALUES_FILE: $CI_PROJECT_DIR/.gitlab/managed-apps/cilium/values.yaml
     JUPYTERHUB_VALUES_FILE: $CI_PROJECT_DIR/.gitlab/managed-apps/jupyterhub/values.yaml
+    PROMETHEUS_VALUES_FILE: $CI_PROJECT_DIR/.gitlab/managed-apps/prometheus/values.yaml
+    ELASTIC_STACK_VALUES_FILE: $CI_PROJECT_DIR/.gitlab/managed-apps/elastic-stack/values.yaml
   script:
     - gitlab-managed-apps /usr/local/share/gitlab-managed-apps/helmfile.yaml
   only: