ODL 8.2.1 Release

What's Changed

• Report line numbers correctly for multi-line elements by @habbes in #3115
• Bump version to 8.2.1 by @habbes in #3116

Full Changelog: 8.2.0...8.2.1

NuGet releases:

• Microsoft.OData.Core
• Microsoft.OData.Edm
• Microsoft.OData.Client
• Microsoft.Spatial