[repo/WCF] Prepare to .NET9

[Kielek]

Changes

Follow up #2251

Merge requirement checklist

• CONTRIBUTING guidelines followed (license requirements, nullable enabled, static analysis, etc.)
• [ ] Unit tests added/updated
• [ ] Appropriate CHANGELOG.md files updated for non-trivial changes
• [ ] Changes in public API reviewed (if applicable)

[codecov]

Codecov Report

Attention: Patch coverage is 87.09677% with 4 lines in your changes missing coverage. Please review.

Project coverage is 73.14%. Comparing base (71655ce) to head (83c4b2a).
Report is 564 commits behind head on main.

Files with missing lines	Patch %	Lines
....AspNet.TelemetryHttpModule/TelemetryHttpModule.cs	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2273      +/-   ##
==========================================
- Coverage   73.91%   73.14%   -0.77%     
==========================================
  Files         267      359      +92     
  Lines        9615    13742    +4127     
==========================================
+ Hits         7107    10052    +2945     
- Misses       2508     3690    +1182     

Flag	Coverage Δ
unittests-Contrib.Shared.Tests	77.13% <ø> (?)
unittests-Exporter.Geneva	62.76% <ø> (?)
unittests-Exporter.InfluxDB	95.14% <ø> (?)
unittests-Exporter.Instana	74.86% <ø> (?)
unittests-Exporter.OneCollector	94.34% <ø> (?)
unittests-Exporter.Stackdriver	79.26% <ø> (?)
unittests-Extensions	88.63% <ø> (?)
unittests-Extensions.Enrichment	100.00% <ø> (?)
unittests-Instrumentation.AWS	86.06% <ø> (?)
unittests-Instrumentation.AspNet	76.73% <42.85%> (?)
unittests-Instrumentation.AspNetCore	70.06% <ø> (?)
unittests-Instrumentation.ConfluentKafka	14.12% <ø> (?)
unittests-Instrumentation.ElasticsearchClient	79.87% <ø> (?)
unittests-Instrumentation.EntityFrameworkCore	57.06% <ø> (?)
unittests-Instrumentation.EventCounters	76.36% <ø> (?)
unittests-Instrumentation.GrpcNetClient	79.61% <ø> (?)
unittests-Instrumentation.Hangfire	93.58% <ø> (?)
unittests-Instrumentation.Http	73.57% <ø> (?)
unittests-Instrumentation.Owin	85.97% <ø> (?)
unittests-Instrumentation.Process	100.00% <ø> (?)
unittests-Instrumentation.Quartz	78.94% <ø> (?)
unittests-Instrumentation.Runtime	97.53% <ø> (?)
unittests-Instrumentation.SqlClient	91.36% <ø> (?)
unittests-Instrumentation.StackExchangeRedis	71.21% <ø> (?)
unittests-Instrumentation.Wcf	78.62% <100.00%> (?)
unittests-PersistentStorage	65.88% <ø> (?)
unittests-Resources.AWS	79.16% <ø> (?)
unittests-Resources.Azure	84.56% <ø> (?)
unittests-Resources.Container	67.34% <ø> (?)
unittests-Resources.Gcp	71.15% <ø> (?)
unittests-Resources.Host	73.91% <ø> (?)
unittests-Resources.OperatingSystem	76.98% <ø> (?)
unittests-Resources.Process	100.00% <ø> (?)
unittests-Resources.ProcessRuntime	78.26% <ø> (?)
unittests-Sampler.AWS	88.23% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...ation.AspNet.TelemetryHttpModule/ActivityHelper.cs	85.50% <100.00%> (+0.26%)	⬆️
...on.Wcf/Implementation/AspNetParentSpanCorrector.cs	92.30% <100.00%> (ø)
...Wcf/Implementation/ClientChannelInstrumentation.cs	94.66% <100.00%> (-0.14%)	⬇️
...mplementation/HttpRequestMessagePropertyWrapper.cs	72.97% <100.00%> (+10.47%)	⬆️
...Wcf/Implementation/RequestTelemetryStateTracker.cs	95.52% <100.00%> (-1.50%)	⬇️
...mplementation/TelemetryDispatchMessageInspector.cs	88.88% <100.00%> (ø)
...cf/Implementation/WcfInstrumentationEventSource.cs	21.73% <100.00%> (-6.04%)	⬇️
....AspNet.TelemetryHttpModule/TelemetryHttpModule.cs	5.26% <0.00%> (ø)

... and 370 files with indirect coverage changes

[CodeBlanch]

LGTM