REFACTOR(argocd): separate image-updater manifests

- Move ExternalSecrets to image-updater-manifests folder
- Add manifests source to image-updater Application
- Remove unnecessary ignoreDifferences from argocd

argocd/argocd.yaml

@@ -53,16 +53,3 @@ spec:
       name: argocd-initial-admin-secret
       jsonPointers:
         - /data
-    - group: external-secrets.io
-      kind: ExternalSecret
-      jsonPointers:
-        - /spec/data/0/remoteRef/conversionStrategy
-        - /spec/data/0/remoteRef/decodingStrategy
-        - /spec/data/0/remoteRef/metadataPolicy
-        - /spec/data/1/remoteRef/conversionStrategy
-        - /spec/data/1/remoteRef/decodingStrategy
-        - /spec/data/1/remoteRef/metadataPolicy
-    - group: monitoring.coreos.com
-      kind: ServiceMonitor
-      jsonPointers:
-        - /spec/endpoints/0/metricRelabelings

argocd/image-updater.yaml

@@ -15,6 +15,9 @@ spec:
     - repoURL: https://github.com/K3S-HOME/platform.git
       targetRevision: main
       ref: values
+    - repoURL: https://github.com/K3S-HOME/platform.git
+      targetRevision: main
+      path: argocd/image-updater-manifests
   destination:
     server: https://kubernetes.default.svc
     namespace: argocd

argocd/kustomization.yaml

@@ -8,5 +8,4 @@ resources:
   # Additional manifests (applied alongside Helm chart)
   - manifests/namespace.yaml
   - manifests/webhook-ingress.yaml
-  - manifests/image-updater-secret.yaml
   - manifests/priority-classes.yaml