Merge main into live

[dotnet-policy-service]

Please don't squash-merge this PR.

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Internal previews

📄 File	🔗 Preview link
docs/core/extensions/httpclient-factory-troubleshooting.md	docs/core/extensions/httpclient-factory-troubleshooting
docs/core/extensions/httpclient-factory.md	docs/core/extensions/httpclient-factory
docs/fundamentals/networking/http/httpclient-guidelines.md	docs/fundamentals/networking/http/httpclient-guidelines

[github-advanced-security]

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