build(deps): bump NSubstitute from 5.1.0 to 5.3.0

Bumps [NSubstitute](https://github.com/nsubstitute/NSubstitute) from 5.1.0 to 5.3.0.
- [Release notes](https://github.com/nsubstitute/NSubstitute/releases)
- [Changelog](https://github.com/nsubstitute/NSubstitute/blob/main/CHANGELOG.md)
- [Commits](nsubstitute/NSubstitute@v5.1.0...v5.3.0)

---
updated-dependencies:
- dependency-name: NSubstitute
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

test/Cnblogs.DashScope.Sdk.UnitTests/Cnblogs.DashScope.Sdk.UnitTests.csproj

@@ -12,7 +12,7 @@
         </PackageReference>
         <PackageReference Include="FluentAssertions" Version="6.12.1" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-        <PackageReference Include="NSubstitute" Version="5.1.0" />
+        <PackageReference Include="NSubstitute" Version="5.3.0" />
         <PackageReference Include="System.Linq.Async" Version="6.0.1" />
         <PackageReference Include="xunit" Version="2.9.2" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">