ci: migrate MTP reporting

[Vincent Biret (baywet)]

Summary

• Port Kiota's MTP reporting updates to GitHub Actions and Azure Pipelines
• Add GitHub Actions/Azure DevOps MTP reporter package references to test projects
• Update coverage and Dependabot testing dependency grouping

Validation

• dotnet restore D:\github\OpenAPI.NET\Microsoft.OpenApi.slnx
• dotnet test D:\github\OpenAPI.NET\test\Microsoft.OpenApi.Readers.Tests\Microsoft.OpenApi.Readers.Tests.csproj -c Release --no-restore --verbosity minimal --minimum-expected-tests 1

[github-code-quality]

Code Coverage Overview

Languages: C#

C# / code-coverage/dotnet

The overall line coverage in commit d31c118 in the ci/mtp-report branch is 32%. The line coverage in commit f399539 in the main branch is 21%.

Show a line coverage summary of the most impacted files.

File	main f399539	ci/mtp-report d31c118	+/-
/home/runner/wo...ApiWorkspace.cs	53%	93%	+40%
/home/runner/wo...penApiSchema.cs	40%	99%	+59%
/home/runner/wo...nApiDocument.cs	28%	91%	+63%
_/src/EmptyFile...leExtensions.cs	0%	86%	+86%
/home/runner/wo...Deserializer.cs	0%	96%	+96%
/home/runner/wo...Deserializer.cs	0%	99%	+99%
/home/runner/wo...Deserializer.cs	0%	100%	+100%
/home/runner/wo...Deserializer.cs	0%	100%	+100%
/home/runner/wo...Deserializer.cs	0%	100%	+100%
/home/runner/wo...Deserializer.cs	0%	100%	+100%

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud