5.6.0

Highlights of this release:

• Update Firely .NET SDK to 5.6.1

What's Changed

• Bump xunit from 2.6.5 to 2.6.6 by @dependabot in #59
• Bump MSTest.TestAdapter from 3.1.1 to 3.2.0 by @dependabot in #62
• Bump MSTest.TestFramework from 3.1.1 to 3.2.0 by @dependabot in #63
• Bump Microsoft.NET.Test.Sdk from 17.8.0 to 17.9.0 by @dependabot in #64
• Bump MSTest.TestAdapter from 3.2.0 to 3.2.1 by @dependabot in #66
• Bump MSTest.TestFramework from 3.2.0 to 3.2.1 by @dependabot in #67
• Handle CodeableReferences that have a reference, not a code. by @ewoutkramer in #69

Full Changelog: v5.5.1...v5.6.0