Version 5.12.0

What's Changed

• Bump SonarAnalyzer.CSharp from 9.21.0.86780 to 9.23.1.88495 by @dependabot in #404
• Bump MSTest.TestFramework from 3.2.2 to 3.3.1 by @dependabot in #403
• Bump docfx from 2.75.3 to 2.76.0 by @dependabot in #402
• Bump MSTest.TestAdapter from 3.2.2 to 3.3.1 by @dependabot in #401
• Bump SonarAnalyzer.CSharp from 9.23.1.88495 to 9.23.2.88755 by @dependabot in #408
• Update Core to 2.22 by @teo-tsirpanis in #409
• Revert floating the Core's version in tests and fix CI. by @teo-tsirpanis in #417

Full Changelog: 5.11.0...5.12.0