Update dependency Polyfill to v11 - abandoned

[Nice3point]

This PR contains the following updates:

Package	Type	Update	Change
Polyfill	nuget	major	10.10.0 → 11.0.1

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Release Notes

SimonCropp/Polyfill (Polyfill)

v11.0.1

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• #​570 Fix encoding span polyfills for empty spans

v11.0.0

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• #​567 Retire stream-wrapper polyfills for net11
• #​568 Add Process.TryGetProcessById and silent param on Run/RunAsync

v10.11.2

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• #​566 Fix issues where code diverged from bcl behavior

v10.11.1

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• #​563 Align stream wrappers with the dotnet 11 implementation (follow up to #​562)
• #​564 Add Encoder.Convert(ReadOnlySpan, Span) polyfill
• #​565 Optimize StringBuilder.Equals(ReadOnlySpan) to compare by chunk

v10.11.0

Compare Source

• #​560 Add Encoding.Preamble
• #​561 CryptographicOperations
• #​562 Add stream wrappers for memory and text based types

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Pull request overview

Updates the centrally managed NuGet dependency Polyfill to the latest major version, keeping the toolkit’s shared build-time polyfill tooling current across the solution.

Changes:

• Bump Polyfill from 10.10.0 to 11.0.1 via GlobalPackageReference in central package management.

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