fix cert manager kustomization

kubernetes/rpi5-cluster/apps/cert-manager/ks.yaml

@@ -0,0 +1,35 @@
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: app
+  namespace: cert-manager
+spec:
+  interval: 1h
+  targetNamespace: cert-manager
+  path: ./kubernetes/rpi5-cluster/templates/apps/cert-manager/app
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    namespace: flux-system
+    name: home-cluster-ops
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: issuers
+  namespace: cert-manager
+spec:
+  interval: 1h
+  targetNamespace: cert-manager
+  path: ./kubernetes/rpi5-cluster/templates/apps/cert-manager/issuers
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    namespace: flux-system
+    name: home-cluster-ops
+  dependsOn:
+    - name: app
+  postBuild:
+    substituteFrom:
+      - kind: Secret
+        name: cert-manager-secrets

kubernetes/rpi5-cluster/apps/cert-manager/kustomization.yaml

@@ -1,4 +1,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - ../../templates/apps/cert-manager/ks.yaml
+  - ks.yaml