feat(registry): using etcd storage for chartmuseum

[jianzzz]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:

/kind feature

What this PR does / why we need it:
Chartmuseum supports etcd storage, see https://github.com/helm/chartmuseum#using-with-etcd.
The use of etcd to store chart is supported first, and the minimal run of TKEStack is supported next.
We should replace the version of storage and etcd, you can see the details in the go.mod file.
Refer to choujimmy/storage#1

Refer to #1300

We don't need installer change to make this feature as built-in. This is an optional option at this stage.
The relevant configuration is as follows:

apiVersion: registry.config.tkestack.io/v1
kind: RegistryConfiguration
storage:
  etcd:
    cafile: "/app/certs/etcd-ca.crt"
    certfile: "/app/certs/etcd.crt"
    keyfile: "/app/certs/etcd.key"
    endpoints:
      - "https://etcd.kube-system:2379"
    prefix: "/chart_backend_bucket"
  fileSystem:
    rootDirectory: /storage
  delete:
    enabled: true