Bump System.Text.Json from 6.0.6 to 7.0.0 (#1078)

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 6.0.6 to 7.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits)

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/KubernetesClient.Models/KubernetesClient.Models.csproj

@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Text.Json" Version="6.0.6" />
+    <PackageReference Include="System.Text.Json" Version="7.0.0" />
     <PackageReference Include="AutoMapper" Version="12.0.0" Condition="'$(TargetFramework)' != 'netstandard2.0'"  />
     <PackageReference Include="AutoMapper" Version="10.1.1" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
     <PackageReference Include="Fractions" Version="7.2.0" />