chore(deps): update dependency polyfill to 10.5.1

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
Polyfill	nuget	patch	10.5.0 → 10.5.1

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Release Notes

SimonCropp/Polyfill (Polyfill)

v10.5.1

Compare Source

• #​546 Make range a readonly record struct to match bcl

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This PR has been generated by Mend Renovate.

[claude]

Dependency Update Review: Polyfill 10.5.0 → 10.5.1

This is a Renovate-generated PATCH bump with a single-line change in Directory.Packages.props.

Upstream change: The 10.5.1 release makes Range a readonly record struct to match the BCL definition. This is a non-breaking structural alignment — no API surface changes, no behavior changes.

Assessment: ✅ Safe to merge.

• Single file, single line — minimal blast radius.
• PATCH version bump with a narrowly scoped upstream change.
• Central Package Management means all consuming projects pick it up consistently.
• No related test or snapshot updates needed for a version pin change of this kind.

No concerns.

[codacy-production]

Up to standards ✅

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