Migrate to .NET 10

[Copilot]

Updates the project to target .NET 10 from .NET 9.

Changes

• Project files: Updated TargetFramework to net10.0 in all three .csproj files
• CI/CD: Updated GitHub Actions workflow to use .NET 10.0.x SDK
• Documentation: Updated CLAUDE.md and package description to reference .NET 10

No code changes required - .NET 10 maintains full compatibility with the existing codebase.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• aka.ms
  • Triggering command: curl -I -sSL --retry 5 --retry-delay 2 --connect-timeout 15 REDACTED (dns block)
• api.telnyx.com
  • Triggering command: /usr/share/dotnet/dotnet exec --runtimeconfig /home/REDACTED/work/TelnyxSharp/TelnyxSharp/TelnyxSharp.Tests/bin/Release/net9.0/TelnyxSharp.Tests.runtimeconfig.json --depsfile /home/REDACTED/work/TelnyxSharp/TelnyxSharp/TelnyxSharp.Tests/bin/Release/net9.0/TelnyxSharp.Tests.deps.json /home/REDACTED/work/TelnyxSharp/TelnyxSharp/TelnyxSharp.Tests/bin/Release/net9.0/testhost.dll --port 35841 --endpoint 127.0.0.1:035841 --role client --parentprocessid 4123 --telemetryoptedin false (dns block)
  • Triggering command: /home/REDACTED/work/_temp/ghcca-node/node/bin/node --enable-source-maps /home/REDACTED/work/_temp/copilot-developer-action-main/dist/index.js (dns block)
  • Triggering command: /tmp/dotnet10/dotnet exec --runtimeconfig /home/REDACTED/work/TelnyxSharp/TelnyxSharp/TelnyxSharp.Tests/bin/Release/net10.0/TelnyxSharp.Tests.runtimeconfig.json --depsfile /home/REDACTED/work/TelnyxSharp/TelnyxSharp/TelnyxSharp.Tests/bin/Release/net10.0/TelnyxSharp.Tests.deps.json /home/REDACTED/work/TelnyxSharp/TelnyxSharp/TelnyxSharp.Tests/bin/Release/net10.0/testhost.dll --port 33341 --endpoint 127.0.0.1:033341 --role client --parentprocessid 4882 --telemetryoptedin false (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

Migrate to the latest .NET 10 release.

---

✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.