[release/10.0.2xx] Source code updates from dotnet/roslyn

[dotnet-maestro]

Note

This is a codeflow update. It may contain both source code changes from
the source repo
as well as dependency updates. Learn more here.

This pull request brings the following source code changes

From https://github.com/dotnet/roslyn

• Subscription: 0b3bbcef-3584-48a2-be30-645edcab5d8e
• Build: 20251204.4 (293418)
• Date Produced: December 4, 2025 11:52:47 PM UTC
• Commit: 2333221c0564852ee5ceac9c622a0b14e864d76e
• Commit Diff: 264f04f...2333221
• Branch: main

[dotnet-maestro]

Note

PRs from original repository included in this codeflow update:

• Update Roslyn LSP server to .net10 roslyn#81508
• Assert shape of the bound tree roslyn#81486
• Prefer expanded form for error reporting when params arguments are convertible roslyn#81276
• [main] Update dependencies from dotnet/arcade roslyn#81511
• Do not copy hoisted locals or parameters unnecessarily roslyn#81227
• Track runtime-async-streams feature as part of runtime-async work roslyn#81447

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