maybe this will help?

infrastructure/crds/traefik-crds.yaml

@@ -15,7 +15,7 @@ spec:
     # path to crds
     !/traefik/crds/
 ---
-apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
+apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
 kind: Kustomization
 metadata:
   name: traefik-api-crds
@@ -28,30 +28,30 @@ spec:
     name: traefik-crds
     namespace: flux-system
   healthChecks:
-  - apiVersion: apiextensions.k8s.io/v1
-    kind: CustomResourceDefinition
-    name: ingressroutes.traefik.containo.us
-  - apiVersion: apiextensions.k8s.io/v1
-    kind: CustomResourceDefinition
-    name: ingressroutetcps.traefik.containo.us
-  - apiVersion: apiextensions.k8s.io/v1
-    kind: CustomResourceDefinition
-    name: ingressrouteudps.traefik.containo.us
-  - apiVersion: apiextensions.k8s.io/v1
-    kind: CustomResourceDefinition
-    name: middlewares.traefik.containo.us
-  - apiVersion: apiextensions.k8s.io/v1
-    kind: CustomResourceDefinition
-    name: middlewaretcps.traefik.containo.us
-  - apiVersion: apiextensions.k8s.io/v1
-    kind: CustomResourceDefinition
-    name: serverstransports.traefik.containo.us
-  - apiVersion: apiextensions.k8s.io/v1
-    kind: CustomResourceDefinition
-    name: tlsoptions.traefik.containo.us
-  - apiVersion: apiextensions.k8s.io/v1
-    kind: CustomResourceDefinition
-    name: tlsstores.traefik.containo.us
-  - apiVersion: apiextensions.k8s.io/v1
-    kind: CustomResourceDefinition
-    name: traefikservices.traefik.containo.us
+    - apiVersion: apiextensions.k8s.io/v1
+      kind: CustomResourceDefinition
+      name: ingressroutes.traefik.containo.us
+    - apiVersion: apiextensions.k8s.io/v1
+      kind: CustomResourceDefinition
+      name: ingressroutetcps.traefik.containo.us
+    - apiVersion: apiextensions.k8s.io/v1
+      kind: CustomResourceDefinition
+      name: ingressrouteudps.traefik.containo.us
+    - apiVersion: apiextensions.k8s.io/v1
+      kind: CustomResourceDefinition
+      name: middlewares.traefik.containo.us
+    - apiVersion: apiextensions.k8s.io/v1
+      kind: CustomResourceDefinition
+      name: middlewaretcps.traefik.containo.us
+    - apiVersion: apiextensions.k8s.io/v1
+      kind: CustomResourceDefinition
+      name: serverstransports.traefik.containo.us
+    - apiVersion: apiextensions.k8s.io/v1
+      kind: CustomResourceDefinition
+      name: tlsoptions.traefik.containo.us
+    - apiVersion: apiextensions.k8s.io/v1
+      kind: CustomResourceDefinition
+      name: tlsstores.traefik.containo.us
+    - apiVersion: apiextensions.k8s.io/v1
+      kind: CustomResourceDefinition
+      name: traefikservices.traefik.containo.us