Release 9.0.0

What's Changed

• Features/conformance tests by @sylvain-guillet in #278
• Fix/prop geo by @sylvain-guillet in #279
• Feature/improve spacecraft attitude by @sylvain-guillet in #280
• Fix/ck reader by @sylvain-guillet in #282
• Feature/conformance geosync by @sylvain-guillet in #284
• Fix/spice data by @sylvain-guillet in #286
• Fix/update CI workflow for NuGet package handling and smoke testing by @sylvain-guillet in #288
• Feature/conformance heliosync by @sylvain-guillet in #289
• Feature/architecture by @sylvain-guillet in #290
• Feature/conformance tests by @sylvain-guillet in #292
• Feature/test drag by @sylvain-guillet in #296
• Feature/batch propagation by @sylvain-guillet in #297
• Feature/nuget csproj by @sylvain-guillet in #298
• Feature/monte carlo by @sylvain-guillet in #300
• Feature/lro conformance by @sylvain-guillet in #301
• Feature/albedo by @sylvain-guillet in #302
• Feature/thermal radiation pressure by @sylvain-guillet in #303
• Feature/intermediate frames by @sylvain-guillet in #304
• Feature/cdm by @sylvain-guillet in #305
• Fix/triad by @sylvain-guillet in #307
• Feature/docs by @sylvain-guillet in #309
• Fix/integrator by @sylvain-guillet in #311
• Improve CI/CD pipelines with gitflow and conventions by @alexandrebpetit in #313
• Add job in CD to push package to private feed by @alexandrebpetit in #314

New Contributors

• @alexandrebpetit made their first contribution in #313

Full Changelog: v8.3.2...9.0.0