Update kustomize-controller API to v1beta2

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

pkg/manifestgen/sync/sync_test.go

@@ -20,10 +20,11 @@ package sync
 
 import (
 	"fmt"
-	kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1beta1"
-	sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
 	"strings"
 	"testing"
+
+	kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1beta2"
+	sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
 )
 
 func TestGenerate(t *testing.T) {