Update Argo CD application configuration to use HEAD as the target revision in both root-application.yaml and noble-platform.yaml, enhancing clarity in documentation regarding repository tracking. This change supports a more dynamic reference to the latest code in the repository.

clusters/noble/bootstrap/argocd/apps/noble-platform.yaml

@@ -1,5 +1,5 @@
-# Multi-source: native Helm (no Kustomize helmCharts → no **--enable-helm**). Git **ref: values**
-# supplies **$values/...** paths; second Git entry runs plain Kustomize over **clusters/noble/apps**.
+# Multi-source: native Helm (no Kustomize helmCharts → no **--enable-helm**). One Git source uses
+# **ref: values** (for **$values/...**) and **path** (Kustomize) together — see multiple_sources docs.
 #
 # UI: some Argo CD versions summarize multi-source apps oddly in the graph; the **Resource list**
 # still reflects the merged set. **ServerSideApply** avoids huge CRD client-side apply annotations.
@@ -88,10 +88,8 @@ spec:
         valueFiles:
           - $values/clusters/noble/apps/headlamp/values.yaml
     - repoURL: https://gitea.pcenicni.ca/gsdavidp/home-server.git
-      targetRevision: main
+      targetRevision: HEAD
       ref: values
-    - repoURL: https://gitea.pcenicni.ca/gsdavidp/home-server.git
-      targetRevision: main
       path: clusters/noble/apps
   destination:
     server: https://kubernetes.default.svc