Bump Microsoft.Extensions.Configuration.Json from 7.0.0 to 8.0.0

Bumps [Microsoft.Extensions.Configuration.Json](https://github.com/dotnet/runtime) from 7.0.0 to 8.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.0...v8.0.0)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Configuration.Json
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

src/CasCap.Apis.AzureDevOps.Tests/CasCap.Apis.AzureDevOps.Tests.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>net6.0</TargetFrameworks>
@@ -13,7 +13,7 @@
     <PackageReference Include="CasCap.Common.Testing" Version="2.0.14" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="7.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="7.0.0" />
     <PackageReference Include="xunit" Version="2.6.1" />