Update .gitignore to include .tmp files, remove Trivy namespace from kustomization.yaml, and add Trivy dashboard application to app-of-apps kustomization. Delete obsolete Trivy namespace and values files to streamline deployment configuration.

clusters/noble/apps/trivy/namespace.yaml

@@ -0,0 +1,10 @@
+# Trivy Operator — namespace + PSA; applied with **noble_platform** bootstrap kustomize before Argo syncs the chart.
+# Scan jobs may use elevated capabilities; align with other operator namespaces.
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: trivy-system
+  labels:
+    pod-security.kubernetes.io/enforce: privileged
+    pod-security.kubernetes.io/audit: privileged
+    pod-security.kubernetes.io/warn: privileged