Support a dependencies table in release page

**Describe the enhancement**
On the [release page](https://github.com/open-cluster-management-io/clusteradm/releases), for each release add a dependencies section with a compatible table for all related dependencies. For example,

Dependencies:

| Name | Version | SHA256  |
|------|---------|---------|
| ocm  | 0.13.1  | a43f0de |