chore(deps): update dependency reactiveui.testing to v23

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ReactiveUI.Testing (source)	22.3.1 → 23.2.28

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Release Notes

reactiveui/reactiveui (ReactiveUI.Testing)

v23.2.28

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🔏 23.2.28 — consolidated, re-signed release

This is the recommended 23.x release. It supersedes and folds together 23.1.1, 23.1.8, 23.2.1, 23.2.19, and 23.2.27, which were signed with a code-signing certificate that has since been revoked — NuGet restore fails on them with NU3012. 23.2.28 is identical in code to 23.2.27 but re-signed with a valid certificate, and it depends on the re-signed Splat 19.4.1. Those superseded releases have been removed and their notes consolidated here.

🗞️ What's Changed

🐛 Fixes

• Interaction async-handler scheduling (#​4351, fixes #​4280)
• Support inherited DependencyProperty lookup (#​4350, fixes #​3921)
• Handle null load state in activation (#​4349, fixes #​4331)
• WinForms designer serialization errors (#​4339)
• BindCommand passing the wrong parameter after a new ViewModel is assigned to the View (#​4324)
• WPF design-time activation and main-thread bindings (#​4337)
• Slow WPF startup — ComponentModelFallbackConverter false positives + missing ConverterService registrations (#​4313)
• Blazor activation render ordering (#​4318)
• WithWinForms() initialization + ReactiveCommand output-propagation tests (#​4314)
• Builder StackOverflow, activator negative ref-count, a binding regression, and testing extensions (#​4301)

✨ Enhancements

• WithCoreServices() and additional platform converters (#​4316)

🧹 Build, CI & signing

• Migrate signing to Certum SimplySign and versioning to MinVer (this release is a re-sign of the 23.2.27 source)
• Add a CodeQL analysis workflow
• Remove the deprecated integration tests; add modern samples, snippets, CI and docs (#​4319)

📦 Dependencies

• Splat → 19.4.1 (re-signed)
• Routine dependency/test-stack updates by @​renovate[bot]

🔗 Full Changelog: reactiveui/ReactiveUI@22.3.1...23.2.28

🙌 Contributions

💖 Thanks to all the contributors — @​glennawatson, @​ChrisPulman, @​Copilot, and Maciej Walczak (see the linked PRs for attribution).

🤖 Automated services that contributed: @​renovate[bot], @​github-code-quality[bot]

v23.2.27

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v23.2.19

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v23.2.1

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v23.1.8

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v23.1.1

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