[release-4.1] feat: Adapt to oci-based helmchart repo (#6203)

* add oci client for registry

* add LoadRepoIndexFormOci

* feat: Adapt to oci-based helmchart repo

* Update the golang base image version in the dockerfile

* update oci_test.go

Signed-off-by: lingbo <lingbo@lingbohome.com>

* fix: Update oci_test.go

Signed-off-by: 凌波 <lingbo@lingbohome.com>

* Update go imports

---------

Signed-off-by: lingbo <lingbo@lingbohome.com>
Signed-off-by: 凌波 <lingbo@lingbohome.com>
Co-authored-by: lingbo <lingbo@lingbohome.com>
Co-authored-by: hongming <coder.scala@gmail.com>

pkg/simple/client/application/store.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 
+	"helm.sh/helm/v3/pkg/registry"
 	"k8s.io/klog/v2"
 
 	"io"
@@ -145,6 +146,9 @@ func DownLoadChart(cli runtimeclient.Client, pullUrl, repoName string) (data []b
 		klog.Errorf("failed to get app repo, err: %v", err)
 		return data, err
 	}
+	if registry.IsOCI(pullUrl) {
+		return HelmPullFromOci(pullUrl, repo.Spec.Credential)
+	}
 	buf, err := HelmPull(pullUrl, repo.Spec.Credential)
 	if err != nil {
 		klog.Errorf("load chart failed, error: %s", err)