Update controllers to OCI preview images

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

manifests/bases/kustomize-controller/kustomization.yaml

@@ -1,8 +1,9 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
+# TODO: remove the hardcoded branch when OCIRepository is released
 resources:
-- https://github.com/fluxcd/kustomize-controller/releases/download/v0.26.3/kustomize-controller.crds.yaml
-- https://github.com/fluxcd/kustomize-controller/releases/download/v0.26.3/kustomize-controller.deployment.yaml
+- https://github.com/fluxcd/kustomize-controller/config/crd?ref=oci
+- https://github.com/fluxcd/kustomize-controller/releases/download/v0.26.1/kustomize-controller.deployment.yaml
 - account.yaml
 patchesJson6902:
 - target:
@@ -11,3 +12,7 @@ patchesJson6902:
     kind: Deployment
     name: kustomize-controller
   path: patch.yaml
+# TODO: remove the hardcoded image when OCIRepository is released
+images:
+  - name: fluxcd/kustomize-controller
+    newTag: oci-7681bda9

manifests/bases/source-controller/kustomization.yaml

@@ -1,8 +1,9 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
+# TODO: remove the hardcoded branch when OCIRepository is released
 resources:
-- https://github.com/fluxcd/source-controller/releases/download/v0.25.11/source-controller.crds.yaml
-- https://github.com/fluxcd/source-controller/releases/download/v0.25.11/source-controller.deployment.yaml
+- https://github.com/fluxcd/source-controller/config/crd?ref=oci
+- https://github.com/fluxcd/source-controller/releases/download/v0.25.5/source-controller.deployment.yaml
 - account.yaml
 patchesJson6902:
 - target:
@@ -11,3 +12,7 @@ patchesJson6902:
     kind: Deployment
     name: source-controller
   path: patch.yaml
+# TODO: remove the hardcoded image when OCIRepository is released
+images:
+  - name: fluxcd/source-controller
+    newTag: oci-778f6d5d