Bump Microsoft.Extensions.Configuration.Xml, Microsoft.Extensions.Configuration.Abstractions, Microsoft.Extensions.Configuration.FileExtensions and Microsoft.Extensions.Configuration

Bumps [Microsoft.Extensions.Configuration.Xml](https://github.com/dotnet/runtime), [Microsoft.Extensions.Configuration.Abstractions](https://github.com/dotnet/runtime), [Microsoft.Extensions.Configuration.FileExtensions](https://github.com/dotnet/runtime) and [Microsoft.Extensions.Configuration](https://github.com/dotnet/runtime). These dependencies needed to be updated together.

Updates `Microsoft.Extensions.Configuration.Xml` from 2.1.1 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits/v8.0.0)

Updates `Microsoft.Extensions.Configuration.Abstractions` from 2.1.1 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits/v8.0.0)

Updates `Microsoft.Extensions.Configuration.FileExtensions` from 2.1.1 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits/v8.0.0)

Updates `Microsoft.Extensions.Configuration` from 2.1.1 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits/v8.0.0)

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

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

Author: dependabot[bot]

example/SampleApp/SampleApp.csproj

@@ -16,12 +16,12 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="2.1.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" Version="2.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="2.1.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Xml" Version="2.1.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Xml" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="2.1.1" />