Update .NET SDK version to 9.0.x and adjust package references

Author: tg123

.github/workflows/buildtest.yaml

@@ -15,8 +15,8 @@ jobs:
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: |
-           6.0.x
            8.0.x
+           9.0.x
       # - name: Check Format
       #   # don't check formatting on Windows b/c of CRLF issues.
       #   if: matrix.os == 'ubuntu-latest'
@@ -66,8 +66,8 @@ jobs:
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: |
-           6.0.x
            8.0.x
+           9.0.x
       - name: Minikube
         run: minikube start
       - name: Test

.github/workflows/codeql-analysis.yml

@@ -34,8 +34,8 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
-          6.0.x
           8.0.x
+          9.0.x
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/docfx.yaml

@@ -33,8 +33,8 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
-          6.0.x
           8.0.x
+          9.0.x
 
     - name: Build
       run: dotnet build -c Release

.github/workflows/draft.yaml

@@ -21,8 +21,8 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
-          6.0.x
           8.0.x
+          9.0.x
 
     - name: dotnet restore
       run: dotnet restore --verbosity minimal --configfile nuget.config

.github/workflows/nuget.yaml

@@ -18,8 +18,8 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
-          6.0.x
           8.0.x
+          9.0.x
 
     - name: dotnet restore
       run: dotnet restore --verbosity minimal --configfile nuget.config

Directory.Packages.props

@@ -27,7 +27,7 @@
     <PackageVersion Include="System.IdentityModel.Tokens.Jwt" Version="7.1.2" />
     <PackageVersion Include="System.IO.Abstractions.TestingHelpers" Version="20.0.15" />
     <PackageVersion Include="System.Reactive" Version="6.0.0" />
-    <PackageVersion Include="System.Text.Json" Version="8.0.4" />
+    <PackageVersion Include="System.Text.Json" Version="9.0.0" />
     <PackageVersion Include="Vecc.YamlDotNet.Analyzers.StaticGenerator" Version="16.0.0" />
     <PackageVersion Include="xunit" Version="2.6.6" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.6" />

src/KubernetesClient/KubernetesClient.csproj

@@ -7,7 +7,6 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Condition="'$(TargetFramework)'=='net6.0'" Include="System.Diagnostics.DiagnosticSource" VersionOverride="7.0.0" />
         <PackageReference Include="System.IdentityModel.Tokens.Jwt" />
         <PackageReference Include="IdentityModel.OidcClient" />
         <PackageReference Include="Fractions" />