build(deps): bump NSubstitute from 4.2.2 to 5.3.0

Bumps [NSubstitute](https://github.com/nsubstitute/NSubstitute) from 4.2.2 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@v4.2.2...v5.3.0)

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

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

Test/Test.csproj

@@ -11,7 +11,7 @@
     <PackageReference Include="MSTest.TestFramework" Version="2.2.7" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.7" />
     <PackageReference Include="LibGit2Sharp" Version="0.27.0-preview-0182" />
-    <PackageReference Include="NSubstitute" Version="4.2.2" />
+    <PackageReference Include="NSubstitute" Version="5.3.0" />
   </ItemGroup>
 
   <ItemGroup>