Update dependency SkiaSharp to v2.88.5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
SkiaSharp (source)	nuget	patch	2.88.4 -> 2.88.5

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Release Notes

mono/SkiaSharp (SkiaSharp)

v2.88.5: Version 2.88.5

What's Changed

• [release/2.x] fix(uno): Ensure that the canvas' context is active when rendering by @​jeromelaban in https://github.com/mono/SkiaSharp/pull/2560
• [release/2.x] fix(skxamlcanvas): [Wasm] Don't fail when the canvas can't be found by @​jeromelaban in https://github.com/mono/SkiaSharp/pull/2564
• [release/2.x] Floor outwards when converting to SKRectI by @​mattleibow in https://github.com/mono/SkiaSharp/pull/2574

Full Changelog: mono/SkiaSharp@v2.88.4...v2.88.5

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Configuration

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