v9.0.0-rc1

• Remove AssemblyInfo.cs and move attributes to the *.csproj file. … by @nenadvicentic in #501
• Read Elasticsearch server version from a root page response by @nenadvicentic in #502
• Bump actions/setup-dotnet from 2 to 3.0.2 by https://github.com/dependabot in #478
• Bump actions/download-artifact from 1 to 3 by https://github.com/dependabot in #439
• Bump actions/upload-artifact from 2 to 3 by https://github.com/dependabot in #438
• fix file references in the Visual Studio Solution file. by @nenadvicentic in #461
• Bump actions/setup-dotnet from 3.0.2 to 3.0.3 by https://github.com/dependabot in #487
• Bump github/codeql-action from 1 to 2 by https://github.com/dependabot in #426
• Automatically handle TypeName parameter for different versions of Elasticsearch (<7, 7 or higher) by @nenadvicentic in #462
• Remove support for Elasticsearch v2 and v5. by @nenadvicentic in #488
• fix: Example in README is incorrect #402 by @nenadvicentic in #496

Full Changelog: v9.0.0-beta12...v9.0.0-rc1