Updated release-it configuration

[ijlee2]

A new attempt to fix how release-it and GitHub Actions, together, help us publish a tag.

References

I looked at a few v2 addons that configured @release-it-plugins/workspaces:

• https://github.com/miguelcobain/ember-css-transitions/blob/v4.3.2/package.json#L30-L66
• https://github.com/ember-modifier/ember-modifier/blob/v4.0.0/package.json#L30-L63
• https://github.com/mrloop/ember-metrics-simple-analytics/blob/v0.0.2/package.json#L42-L63
• https://github.com/tracked-tools/tracked-built-ins/blob/v3.2.0/package.json#L26-L57