Update to .NET 8/9

[thisisnacho]

Summary

• update target frameworks to net8.0 and net9.0
• bump package versions to latest
• update tests to use Assert.ThrowsAsync

Testing

• dotnet restore src/Panner.AspNetCore.csproj
• dotnet restore tests/Panner.AspNetCore.Tests/Panner.AspNetCore.Tests.csproj
• DOTNET_ROLL_FORWARD=Major dotnet test tests/Panner.AspNetCore.Tests/Panner.AspNetCore.Tests.csproj --no-restore

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https://chatgpt.com/codex/tasks/task_e_6867546b1cf0833288125118eebca711

[coveralls]

Pull Request Test Coverage Report for Build 16077701928

Details

• 0 of 52 (0.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-36.2%) to 58.73%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/Binders/FilterParticlesMinimalBinder.cs	0	26	0.0%
src/Binders/SortParticlesMinimalBinder.cs	0	26	0.0%

Totals
Change from base Build 1333057240:	-36.2%
Covered Lines:	87
Relevant Lines:	143

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💛 - Coveralls

[sonarqubecloud]

Quality Gate failed

Failed conditions
29.5% Duplication on New Code (required ≤ 3%)
C Reliability Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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