deps: update dependency nunit3testadapter to 6.2.0 (GoogleCloudPlatform#4343)

Author: renovate-bot

samples/snippets/dotnet-snippets/sample-tests/sample-tests.csproj

@@ -15,7 +15,7 @@
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
         <PackageReference Include="NUnit" Version="4.5.1" />
         <PackageReference Include="NUnit.Analyzers" Version="4.12.0"/>
-        <PackageReference Include="NUnit3TestAdapter" Version="6.1.0"/>
+        <PackageReference Include="NUnit3TestAdapter" Version="6.2.0"/>
         <PackageReference Include="Testcontainers" Version="4.11.0" />
     </ItemGroup>