Bump NSubstitute from 4.2.2 to 4.3.0 (#708)

Bumps NSubstitute from 4.2.2 to 4.3.0.

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

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

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

Author: dependabot[bot]

Tests.props

@@ -16,7 +16,7 @@
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
     <PackageReference Include="Moq" Version="4.16.1" />
-    <PackageReference Include="NSubstitute" Version="4.2.2" />
+    <PackageReference Include="NSubstitute" Version="4.3.0" />
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="3.1.19" Condition="'$(TargetFramework)' == 'netcoreapp3.1'" />
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="5.0.10" Condition="'$(TargetFramework)' == 'net5'" />
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="6.0.0" Condition="'$(TargetFramework)' == 'net6'" />