Feb 25 xsd update (#1884) 

Include base classes with LINQ generation (#1838) This change adds support to the LINQ generator to include base classes and their members so it'll be similar to what was in the 2.x version: - Refactor LINQ generator to use a visitor pattern - Add SdtElement expansion - Visit base types Part of #1813

Update CHANGELOG.md (#1810) 

Unload root element if Part.GetStream updates the underlying value (#… …1760) Fixes #1755

Update CHANGELOG.md for 3.0.2 

Update changelog for 3.0.1 (#1645) This change also collapses the beta changes now that we've passed them so they make more sense for people who are just looking at supported changes

Push to CI feed (#1585) - Need to use 5.10.0 per GitTools/GitVersion#2838 - 6.x will remove NuGetSemVer2

Update release.yml (#1523) add shell: pwsh, so release to nuget knows which shell to use

Move PartTypeInfo into framework library (#1439) 

Update CHANGELOG.md