[ASP.NET Core] Add additional http.server.duration metric attributes

[vishweshbankwar]

Towards #3373

Changes

As per spec https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/semantic_conventions/http-metrics.md#attributes

For significant contributions please make sure you have completed the following items:

• Appropriate CHANGELOG.md updated for non-trivial changes
• Design discussion issue #
• Changes in public API reviewed

[codecov]

Codecov Report

Merging #3928 (6f04ce8) into main (a4df145) will decrease coverage by 0.01%.
The diff coverage is 90.90%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3928      +/-   ##
==========================================
- Coverage   87.40%   87.39%   -0.02%     
==========================================
  Files         278      278              
  Lines       10757    10747      -10     
==========================================
- Hits         9402     9392      -10     
  Misses       1355     1355              

Impacted Files	Coverage Δ
...AspNetCore/Implementation/HttpInMetricsListener.cs	84.00% <90.90%> (+18.28%)	⬆️
...porter.OpenTelemetryProtocol/OtlpMetricExporter.cs	72.72% <0.00%> (-13.64%)	⬇️
...tation/OpenTelemetryProtocolExporterEventSource.cs	85.00% <0.00%> (-10.00%)	⬇️
...ZPages/Implementation/ZPagesExporterEventSource.cs	56.25% <0.00%> (-6.25%)	⬇️
...p/Implementation/HttpInstrumentationEventSource.cs	72.00% <0.00%> (-4.00%)	⬇️
...Telemetry/Internal/SelfDiagnosticsEventListener.cs	96.87% <0.00%> (-0.79%)	⬇️