Bump System.Text.Json from 8.0.4 to 8.0.5 in /host/src/FunctionsNetHost (#2768)

Bumps [System.Text.Json](https://github.com/dotnet/runtime) 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
...

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

Author: dependabot[bot]

host/src/FunctionsNetHost/FunctionsNetHost.csproj

@@ -28,7 +28,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
-    <PackageReference Include="System.Text.Json" Version="8.0.4" />
+    <PackageReference Include="System.Text.Json" Version="8.0.5" />
     <PackageReference Include="Microsoft.NETCore.DotNetAppHost" Version="8.0.0-preview.4.23259.5" />
   </ItemGroup>