Bump Microsoft.NET.Test.Sdk from 16.3.0 to 16.4.0 in /src

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 16.3.0 to 16.4.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Commits](microsoft/vstest@v16.3...v16.4.0)

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

src/BBT.StrategyPattern.Tests/BBT.StrategyPattern.Tests.csproj

@@ -21,7 +21,7 @@
 
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="5.9.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.3.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
     <PackageReference Include="Ninject" Version="3.3.4" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">