please?

apps/production/cert-manager/cert-manager.yaml

@@ -3,6 +3,7 @@ apiVersion: source.toolkit.fluxcd.io/v1
 kind: HelmRepository
 metadata:
   name: cert-manager
+  namespace: cert-manager
 spec:
   interval: 24h
   url: https://charts.jetstack.io

apps/production/cert-manager/kustomization.yaml

@@ -4,6 +4,7 @@ kind: Kustomization
 namespace: cert-manager
 resources:
   - namespace.yaml
+  - https://github.com/cert-manager/cert-manager/releases/download/v1.15.3/cert-manager.crds.yaml
   - cert-manager.yaml
   - issuer.yaml
   - ./certificates/fascinated-cc.yaml