doc(release-notes): Added release notes with references to doc for Xcode Workspaces.
### New features
-* Added support for a buildless Pipenv detector that parses the Pipfile.lock file (see [python support page](packagemgrs/python.md) for more details).
+* Added support for a buildless Pipenv detector that parses the Pipfile.lock file (see the [python support page](packagemgrs/python.md) for more details).
* [solution_name] now includes pass-through properties when logging configuration at the beginning of a run.
+* Added support for Xcode Workspaces (see the [swift support page](packagemgrs/swift.md) for more details).
### Changed features
* Nuget Inspector is now shipped as a self-contained executable and has no runtime requirements.
