v2.0.1-release

What's Changed

• update skywalking-data-collect-protocol submodule url by @catcherwong in #478
• Update CONTIBUTING.md by @SpringHgui in #482
• Fixed the issue that some packages could not automatically obtain the… by @liuhaoyang in #491
• Bump Newtonsoft.Json from 12.0.3 to 13.0.1 in /src/SkyApm.DotNet.CLI by @dependabot in #492

New Contributors

• @catcherwong made their first contribution in #478
• @SpringHgui made their first contribution in #482

Full Changelog: v2.0.0...v2.0.1