Update the API group for the CRDs to apiextensions.k8s.io/v1.

charts/viking-controller/crds/backendcfg-crd.yaml

-apiVersion: apiextensions.k8s.io/v1beta1
+apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   name: backendconfigs.ingress.varnish-cache.org
@@ -12,17 +12,18 @@ spec:
     shortNames:
     - becfg
   scope: Namespaced
-  version: v1alpha1
   versions:
   - name: v1alpha1
     served: true
     storage: true
-  validation:
+    schema:
       openAPIV3Schema:
+        type: object
         required:
         - spec
         properties:
           spec:
+            type: object
             required:
             - services
             properties:

charts/viking-controller/crds/templatecfg-crd.yaml

-apiVersion: apiextensions.k8s.io/v1beta1
+apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   name: templateconfigs.ingress.varnish-cache.org
@@ -13,17 +13,18 @@ spec:
     - tmplcfg
     - tmplcfgs
   scope: Namespaced
-  version: v1alpha1
   versions:
   - name: v1alpha1
     served: true
     storage: true
-  validation:
+    schema:
       openAPIV3Schema:
+        type: object
         required:
         - spec
         properties:
           spec:
+            type: object
             properties:
               ingress:
                 type: string

charts/viking-controller/crds/varnishcfg-crd.yaml

-apiVersion: apiextensions.k8s.io/v1beta1
+apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   name: varnishconfigs.ingress.varnish-cache.org
@@ -12,17 +12,18 @@ spec:
     shortNames:
     - vcfg
   scope: Namespaced
-  version: v1alpha1
   versions:
   - name: v1alpha1
     served: true
     storage: true
-  validation:
+    schema:
       openAPIV3Schema:
+        type: object
         required:
         - spec
         properties:
           spec:
+            type: object
             required:
             - services
             properties: