Bump NUnit3TestAdapter from 4.3.0 to 4.3.1 (#1035)

Bumps [NUnit3TestAdapter](https://github.com/nunit/nunit3-vs-adapter) from 4.3.0 to 4.3.1.
- [Release notes](https://github.com/nunit/nunit3-vs-adapter/releases)
- [Commits](V4.3.0...V4.3.1)

---
updated-dependencies:
- dependency-name: NUnit3TestAdapter
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/NUnit.TestAdapter.Tests.Acceptance/NUnit.TestAdapter.Tests.Acceptance.csproj

@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="nunit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.3.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
     <PackageReference Include="NUnit.Analyzers" Version="3.5.0" />
   </ItemGroup>