Release v1.1.0-alpha.1

Notice:

• This is a pre-release.
• The arm64 binary only supports installation of arm64 kubernetes cluster.

This release includes the following changes:

• Upgrade etcd to v3.4.13
• Upgrade calico to v3.16.3
• Support multi container runtime: containerd/cri-o/isula

The following parameter can be added to the configuration file to interface with the specified container-runtime：

kubernetes:
  containerManager: containerd    # containerd or crio or isula