474 Update model hosting place

[yiheng-wang-nv]

Fixes #474

Description

This PR is used to update the model hosting place for bundles, it also updates the corresponding CI pipeline, Blossom will be used to replace Github workflow.

Status

Ready

Please ensure all the checkboxes:

• [x] Codeformat tests passed locally by running ./runtests.sh --codeformat.
• [ ] In-line docstrings updated.
• [ ] Update version and changelog in metadata.json if changing an existing bundle.
• [ ] Please ensure the naming rules in config files meet our requirements (please refer to: CONTRIBUTING.md).
• [ ] Ensure versions of packages such as monai, pytorch and numpy are correct in metadata.json.
• [ ] Descriptions should be consistent with the content, such as eval_metrics of the provided weights and TorchScript modules.
• [ ] Files larger than 25MB are excluded and replaced by providing download links in large_file.yml.
• [ ] Avoid using path that contains personal information within config files (such as use /home/your_name/ for "bundle_root").

[yiheng-wang-nv]

Hi @wyli @Nic-Ma @KumoLiu , this PR has been tested with @YanxuanLiu 's Blossom pipeline.

[yiheng-wang-nv]

/build

[yiheng-wang-nv]

/build