[Bug] Docker releases are still being hosted on `dbt-core` and don't show up under Packages

### Is this a new bug?

- [X] I believe this is a new bug
- [X] I have searched the existing issues, and I could not find an existing issue for this bug

### Current Behavior

Docker images show up here:
https://github.com/dbt-labs/dbt-core/pkgs/container/dbt-postgres

### Expected Behavior

Docker images should show up under the Packages section here:
https://github.com/dbt-labs/dbt-postgres
and here:
https://github.com/orgs/dbt-labs/packages?repo_name=dbt-postgres

### Steps To Reproduce

Perform a Docker release and go looking for it.

### Relevant log output

_No response_

### Environment

```markdown
- OS:
- Python:
- dbt-postgres:
```

### Additional Context

_No response_