Bump nunit

Bumps the dotnet group with 1 update in the /samples/snippets/core/testing/unit-testing-vb-nunit/vb directory: [nunit](https://github.com/nunit/nunit).


Updates `nunit` from 4.3.0 to 4.3.2
- [Release notes](https://github.com/nunit/nunit/releases)
- [Changelog](https://github.com/nunit/nunit/blob/main/CHANGES.md)
- [Commits](nunit/nunit@4.3.0...4.3.2)

---
updated-dependencies:
- dependency-name: nunit
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
...

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

samples/snippets/core/testing/unit-testing-vb-nunit/vb/PrimeService.Tests/PrimeService.Tests.vbproj

@@ -8,7 +8,7 @@
 
   <!--<snippetPackages>-->
   <ItemGroup>
-    <PackageReference Include="nunit" Version="4.3.0" />
+    <PackageReference Include="nunit" Version="4.3.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
   </ItemGroup>