Add Trivy integration to noble cluster setup, including namespace and application configurations. Update README and playbook tags to reflect new security scanning capabilities. Enhance Longhorn and kube-prometheus-stack deployment reliability with increased timeout settings and retry mechanisms.

ansible/roles/noble_longhorn/tasks/main.yml

@@ -31,4 +31,8 @@
       - "{{ noble_helm_longhorn_wait_timeout }}"
   environment:
     KUBECONFIG: "{{ noble_kubeconfig }}"
+  register: noble_longhorn_helm
+  retries: "{{ noble_helm_longhorn_retries | int }}"
+  delay: "{{ noble_helm_longhorn_retry_delay | int }}"
+  until: noble_longhorn_helm.rc == 0
   changed_when: true