Fix ITelemetryModule singleton registration to support presence of ke… · microsoft/ApplicationInsights-dotnet@00f1e39

Targeting .NET Standard prior to 2.0 is no longer recommended. See https://aka.ms/dotnet/dotnet-standard-guidance for more details.

BASE/src/Microsoft.ApplicationInsights/Extensibility/Implementation/Endpoints/EndpointMetaAttribute.cs#L10

Avoid unsealed attributes (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1813)

BASE/src/Microsoft.ApplicationInsights/Extensibility/Implementation/BroadcastProcessor.cs#L35

Possible multiple enumerations of 'IEnumerable' collection. Consider using an implementation that avoids multiple enumerations. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1851)

BASE/src/Microsoft.ApplicationInsights/Extensibility/Implementation/BroadcastProcessor.cs#L26

Possible multiple enumerations of 'IEnumerable' collection. Consider using an implementation that avoids multiple enumerations. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1851)

BASE/src/Microsoft.ApplicationInsights/Metrics/Implementation/AutocollectedMetricsExtraction/TraceMetricsExtractor.cs#L94

Change type of variable 'dimensionNames' from 'System.Collections.Generic.IList<string>' to 'System.Collections.Generic.List<string>' for improved performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1859)

BASE/src/Microsoft.ApplicationInsights/TelemetryClient.cs#L284