*** Engine Updates and Fixes

- Add security mitigation for 6.1.3 release (Internal 6561)

*** Tools

- Change the feed URL to feed name due to changes in Azure DevOps (#8664)

*** Tests

- Updating test gallery URL in PackageManagement tests (#7879)

*** Build and Packaging Improvements

- Get PowerShellGet tests working (#7831)
- Start tracking release build information in an azure storage table (#8850)
- Remove `PDBs` from `fxdependent` package (#8006)
- Make every `csproj` files have its own folder (#8750)
- Update packaging script to build reference assembly targeting `netcoreapp2.1` and use actual `.csproj` files (#8729)
- Move Final artifacts from coordinated build to `finalResults` folder (#8806)
- Refactor Unified Release Build (#8804)
- Add compliance to Coordinated build (#8798)
- Switch to 1.11 of FPM to fix FPM install issue (#8797)
- Update the coordinated build with framework dependent package for dotnet SDK (#8773)
- Add Windows build to coordinated release build YAML (#8695)
- Build package build using Ubuntu 18.04 image (#8666)
- Adding `yml` for Windows Release builds (#8374)
- Update `SignType` in `signing.xml` (#8223)
- Update DotNet SDK and Runtime version (Internal 7004)
- Add `binskim` to coordinated build and increase timeout (#8834)