Updating docs after .NET10 Application Enricher update

[mariamgerges]

Summary

Describe your changes here.

Fixes #49509

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Internal previews

📄 File	🔗 Preview link
docs/core/enrichment/application-log-enricher.md	docs/core/enrichment/application-log-enricher
docs/core/enrichment/custom-enricher.md	docs/core/enrichment/custom-enricher

[Copilot]

Pull Request Overview

This PR adds documentation for static log enrichers and updates the application log enricher documentation to reflect the new .NET 10 API changes. The key changes include introducing the IStaticLogEnricher interface and documenting the transition from AddServiceLogEnricher to AddApplicationLogEnricher.

• Adds a new section documenting static log enrichers with IStaticLogEnricher interface
• Updates application log enricher documentation with tabbed sections for .NET 10+ and .NET 9/earlier
• Replaces references to deprecated AddServiceLogEnricher with new AddApplicationLogEnricher method

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
docs/core/enrichment/custom-enricher.md	Updates heading to include ILogEnricher interface name and adds new section on static log enrichers
docs/core/enrichment/application-log-enricher.md	Adds tabbed content to show both .NET 10+ and .NET 9/earlier API usage with deprecation warning

[IEvangelist]

One error, otherwise ship it:

Caution

docs/core/enrichment/application-log-enricher.md
Line 84: [Warning] Cross reference not found:
'Microsoft.Extensions.DependencyInjection.ApplicationEnricherServiceCollectionExtensions.AddApplication LogEnricher(Microsoft.Extensions.DependencyInjection.IServiceCollection)'.

[mariamgerges]

One error, otherwise ship it:

Caution

docs/core/enrichment/application-log-enricher.md Line 84: [Warning] Cross reference not found: 'Microsoft.Extensions.DependencyInjection.ApplicationEnricherServiceCollectionExtensions.AddApplication LogEnricher(Microsoft.Extensions.DependencyInjection.IServiceCollection)'.

This error is there because the change is not out yet.