Updates orbit to .NET 9 and latest Tycho Components

.gitattributes

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+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+# Explicitly declare text files you want to always be normalized and converted
+# to native line endings on checkout.
+*.cs text
+
+# Declare files that will always have CRLF line endings on checkout.
+*.sln text eol=crlf

.github/workflows/nuget-publish.yml

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+name: Build and Publish NuGet Packages
+
+on:
+  push:
+    branches: [ main, master ]
+    tags: [ 'v*' ]
+  pull_request:
+    branches: [ main, master ]
+
+env:
+  DOTNET_VERSION: '9.0.x'
+  NUGET_SOURCE: 'https://api.nuget.org/v3/index.json'
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0 # Required for GitVersion
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: ${{ env.DOTNET_VERSION }}
+
+    - name: Install GitVersion
+      uses: gittools/actions/gitversion/setup@v0.10.2
+      with:
+        versionSpec: '5.x'
+
+    - name: Determine Version
+      uses: gittools/actions/gitversion/execute@v0.10.2
+      id: gitversion
+
+    - name: Display Version
+      run: |
+        echo "Version: ${{ steps.gitversion.outputs.semVer }}"
+        echo "NuGetVersionV2: ${{ steps.gitversion.outputs.nuGetVersionV2 }}"
+
+    - name: Restore dependencies for core projects
+      run: |
+        dotnet restore EightBot.Orbit.Core/EightBot.Orbit.Core.csproj
+        dotnet restore EightBot.Orbit.Client/EightBot.Orbit.Client.csproj
+        dotnet restore EightBot.Orbit.Server/EightBot.Orbit.Server.csproj
+        dotnet restore EightBot.Orbit.Server.Web/EightBot.Orbit.Server.Web.csproj
+        dotnet restore EightBot.Orbit.Tests/EightBot.Orbit.Tests.csproj
+
+    - name: Build core projects
+      run: |
+        dotnet build EightBot.Orbit.Core/EightBot.Orbit.Core.csproj --configuration Release --no-restore /p:Version=${{ steps.gitversion.outputs.assemblySemVer }} /p:PackageVersion=${{ steps.gitversion.outputs.nuGetVersionV2 }}
+        dotnet build EightBot.Orbit.Client/EightBot.Orbit.Client.csproj --configuration Release --no-restore /p:Version=${{ steps.gitversion.outputs.assemblySemVer }} /p:PackageVersion=${{ steps.gitversion.outputs.nuGetVersionV2 }}
+        dotnet build EightBot.Orbit.Server/EightBot.Orbit.Server.csproj --configuration Release --no-restore /p:Version=${{ steps.gitversion.outputs.assemblySemVer }} /p:PackageVersion=${{ steps.gitversion.outputs.nuGetVersionV2 }}
+        dotnet build EightBot.Orbit.Server.Web/EightBot.Orbit.Server.Web.csproj --configuration Release --no-restore /p:Version=${{ steps.gitversion.outputs.assemblySemVer }} /p:PackageVersion=${{ steps.gitversion.outputs.nuGetVersionV2 }}
+        dotnet build EightBot.Orbit.Tests/EightBot.Orbit.Tests.csproj --configuration Release --no-restore
+
+    - name: Run tests
+      continue-on-error: true
+      run: dotnet test EightBot.Orbit.Tests/EightBot.Orbit.Tests.csproj --configuration Release --no-build --verbosity normal --filter "FullyQualifiedName~OrbitClientTests"
+
+    - name: Pack NuGet packages
+      run: |
+        dotnet pack EightBot.Orbit.Core/EightBot.Orbit.Core.csproj --configuration Release --no-build --output ./artifacts /p:PackageVersion=${{ steps.gitversion.outputs.nuGetVersionV2 }}
+        dotnet pack EightBot.Orbit.Client/EightBot.Orbit.Client.csproj --configuration Release --no-build --output ./artifacts /p:PackageVersion=${{ steps.gitversion.outputs.nuGetVersionV2 }}
+        dotnet pack EightBot.Orbit.Server/EightBot.Orbit.Server.csproj --configuration Release --no-build --output ./artifacts /p:PackageVersion=${{ steps.gitversion.outputs.nuGetVersionV2 }}
+        dotnet pack EightBot.Orbit.Server.Web/EightBot.Orbit.Server.Web.csproj --configuration Release --no-build --output ./artifacts /p:PackageVersion=${{ steps.gitversion.outputs.nuGetVersionV2 }}
+
+    - name: Upload NuGet packages as artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: nuget-packages
+        path: ./artifacts/*.nupkg
+
+    outputs:
+      version: ${{ steps.gitversion.outputs.nuGetVersionV2 }}
+
+  publish:
+    needs: build-and-test
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/'))
+
+    steps:
+    - name: Download NuGet packages
+      uses: actions/download-artifact@v4
+      with:
+        name: nuget-packages
+        path: ./artifacts
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: ${{ env.DOTNET_VERSION }}
+
+    - name: Publish to NuGet (Release)
+      if: startsWith(github.ref, 'refs/tags/')
+      run: |
+        for package in ./artifacts/*.nupkg; do
+          echo "Publishing $package to NuGet..."
+          dotnet nuget push "$package" --api-key ${{ secrets.EIGHTBOT_NUGET_APIKEY }} --source ${{ env.NUGET_SOURCE }} --skip-duplicate
+        done
+
+    - name: Publish to NuGet (Prerelease)
+      if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master'
+      run: |
+        for package in ./artifacts/*.nupkg; do
+          echo "Publishing $package to NuGet as prerelease..."
+          dotnet nuget push "$package" --api-key ${{ secrets.EIGHTBOT_NUGET_APIKEY }} --source ${{ env.NUGET_SOURCE }} --skip-duplicate
+        done
+
+  create-release:
+    needs: [build-and-test, publish]
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/')
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Download NuGet packages
+      uses: actions/download-artifact@v4
+      with:
+        name: nuget-packages
+        path: ./artifacts
+
+    - name: Create GitHub Release
+      uses: softprops/action-gh-release@v1
+      with:
+        files: ./artifacts/*.nupkg
+        generate_release_notes: true
+        draft: false
+        prerelease: false
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}