Agent gen for What's new in ASP.NET Core in .NET 11 Preview 4

[wadepickett]

Use agent
AspNetCore.Docs/.github/agents/whats-new-from-release-notes.agent.md

Parameters for the agent to use for creating the What's New for ASP.NET Core in .NET 11 Preview 4:
VERSION = 11.0
PREVIEW = preview4
SOURCE_REF = dotnet/core/commit/23c0684ff148023f37fbd43894f1d44dbf608e16
Mode = incremental

---

Associated WorkItem - 577735