Update build scripts.

Update build scripts.

Fix rolling CI build

Update Changelog for 1.39.13 release (OmniSharp#2646)

Update Roslyn to 4.13.0-3.24620.4 (OmniSharp#2642)

Update service connection

Merge pull request OmniSharp#2621 from OmniSharp/update-sdks-2

Update .NET SDKs

Merge pull request OmniSharp#2591 from OmniSharp/jorobich/update-chan…

…gelog

Update changelog for 1.39.11 release

Merge pull request OmniSharp#2572 from OmniSharp/jorobich/add-razor-ea

Merge pull request OmniSharp#2570 from OmniSharp/jorobich/add-inlayhi…

…nt-type