Ver.2.2.5

• Fix: UniTaskAsyncEnumerable.Prepend does not work correctly
• Changed: Add strong-named signing to UniTask.NetCore

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2021/08/27 experimental release:
UniTaskAnalayzer.dll that checks pass CancellationToken.

How to use analyzer on Unity, see: Roslyn analyzers and ruleset files document and Cysharp/CsProjModifier.