• Drops .NET 8 support, adds .NET 10 support
• Updates target frameworks to net9.0 and net10.0
• Updates CI/CD workflows to use .NET 9.0.x and 10.0.x

Update target frameworks to .NET 9 and 10

• Updated TargetFrameworks from net8.0;net9.0 to net9.0;net10.0
• Removes .NET 8.0 support and adds .NET 10.0 support

src/Daqifi.Core/Daqifi.Core.csproj

Update test project target frameworks

• Updated TargetFrameworks from net8.0;net9.0 to net9.0;net10.0
• Aligns test project with main project framework targets

src/Daqifi.Core.Tests/Daqifi.Core.Tests.csproj

Update CI workflow .NET versions

• Updated dotnet-version from 8.0.x and 9.0.x to 9.0.x and 10.0.x
• Ensures CI pipeline builds against supported .NET versions

.github/workflows/ci.yml

Description

The release workflow installs both 9.0.x and 10.0.x SDKs but performs restore/build/test/pack only
once, so the release pipeline doesn’t validate that the release process works under both SDK
toolchains. This reduces confidence that you’re truly supporting the “latest two SDKs”
operationally.

Code

.github/workflows/release.yml[R19-24]

      uses: actions/setup-dotnet@v5
      with:
        dotnet-version: |
-          8.0.x
          9.0.x
+          10.0.x
    

Evidence

The workflow installs multiple SDKs but runs a single sequence of dotnet commands
(restore/build/test/pack) without a matrix/loop, so only one SDK toolchain actually executes the
release validation steps.

.github/workflows/release.yml[18-46]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

### Issue description
The release workflow installs both 9.0.x and 10.0.x SDKs but runs the release build/test/pack steps only once, so only one SDK toolchain is actually validated.

### Issue Context
`dotnet-version` is multi-line, but there’s no matrix and no per-version execution of the build/test steps.

### Fix Focus Areas
- .github/workflows/release.yml[18-46]

### Suggested change
Option A (recommended): add a matrix and run build/test for each SDK, but only pack/push once (e.g., gate pack/push on matrix dotnet == '10.0.x').

Option B: if you intentionally only want the latest SDK, install only 10.0.x to avoid implying dual-SDK validation.

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