Bump System.Text.Json from 7.0.3 to 8.0.0

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 7.0.3 to 8.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.3...v8.0.0)

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

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

src/Nino.Benchmark/Nino.Benchmark.csproj

@@ -16,7 +16,7 @@
         <PackageReference Include="MsgPack.Cli" Version="1.0.1" />
         <PackageReference Include="protobuf-net" Version="3.2.26" />
         <PackageReference Include="SpanJson" Version="4.0.1" />
-        <PackageReference Include="System.Text.Json" Version="7.0.3" />
+        <PackageReference Include="System.Text.Json" Version="8.0.0" />
         <PackageReference Include="Utf8Json" Version="1.3.7" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
         <PackageReference Include="Newtonsoft.Json.Bson" Version="1.0.2" />