Bump System.Text.Json from 8.0.1 to 8.0.3

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 8.0.1 to 8.0.3.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/compare/v8.0.1...v8.0.3)

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

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

Directory.Packages.props

@@ -48,7 +48,7 @@
     <PackageVersion Include="NSubstitute.Analyzers.CSharp" Version="1.0.17" />
     <PackageVersion Include="System.Net.Http.Json" Version="$(SystemExtensionVersion)" />
     <PackageVersion Include="System.Security.Claims" Version="4.3.0" />
-    <PackageVersion Include="System.Text.Json" Version="8.0.1" />
+    <PackageVersion Include="System.Text.Json" Version="8.0.3" />
     <PackageVersion Include="System.IdentityModel.Tokens.Jwt" Version="7.3.1" />
     <PackageVersion Include="Swashbuckle.AspNetCore" Version="6.5.0" />
     <PackageVersion Include="Swashbuckle.AspNetCore.SwaggerUI" Version="6.5.0" />