Bump System.Text.Json

Bumps the nuget group with 1 update in the /src/DfE.CoreLibs.AsyncProcessing directory: [System.Text.Json](https://github.com/dotnet/runtime).


Updates `System.Text.Json` from 8.0.4 to 8.0.5
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.4...v8.0.5)

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-type: direct:production
  dependency-group: nuget
...

Signed-off-by: dependabot[bot] <support@github.com>

src/DfE.CoreLibs.AsyncProcessing/DfE.CoreLibs.AsyncProcessing.csproj

@@ -19,7 +19,7 @@
     <PackageReference Include="MediatR.Contracts" Version="2.0.1" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="8.0.0" />
-    <PackageReference Include="System.Text.Json" Version="8.0.4" />
+    <PackageReference Include="System.Text.Json" Version="8.0.5" />
   </ItemGroup>
 
 	<ItemGroup>