chore(deps): Bump NUnit3TestAdapter from 4.6.0 to 5.0.0 in the all group

Bumps the all group with 1 update: [NUnit3TestAdapter](https://github.com/nunit/nunit3-vs-adapter).


Updates `NUnit3TestAdapter` from 4.6.0 to 5.0.0
- [Release notes](https://github.com/nunit/nunit3-vs-adapter/releases)
- [Commits](nunit/nunit3-vs-adapter@V4.6.0...V5.0.0)

---
updated-dependencies:
- dependency-name: NUnit3TestAdapter
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all
...

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

Author: dependabot[bot]

src/tests/OpenAI.IntegrationTests/OpenAI.IntegrationTests.csproj

@@ -18,7 +18,7 @@
     <PackageReference Include="MSTest.TestFramework" Version="3.7.3" />
     <PackageReference Include="FluentAssertions" Version="8.0.1" />
     <PackageReference Include="NUnit" Version="4.3.2" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
   </ItemGroup>
 
   <ItemGroup Label="GlobalUsings">