User/chgray/fix publish

[chgray]

This pull request updates the release workflow configuration and makes a minor formatting change in the README.md. The main focus is on refining the release process in the GitHub Actions workflow to ensure releases are only created from pushes to the main branch and to improve artifact uploading.

Release workflow improvements:

• The release workflow (.github/workflows/buildbundles.yml) now only triggers on pushes to the main branch, removing the previous support for tag-based triggers to prevent unintended releases from tags.
• The action used to upload release files has been replaced with softprops/action-gh-release for better compatibility and reliability, and the configuration has been updated to use the files parameter instead of artifacts.

Documentation:

• Minor formatting fix in the README.md to remove an unnecessary line break at the top of the file.Fixes #
  Design discussion issue #

Changes

Please provide a brief description of the changes here.

Merge requirement checklist

• CONTRIBUTING guidelines followed.
• Unit tests added/updated (if applicable).