Add MSBuild_Logs directory to VisualStudio.gitignore

[Jaxelr]

Reasons for making this change:

The MsBuild team added a switch to the Visual Studio engine that generates a debugging information under the directory MsBuild_Logs/ that shouldn't be in source control systems.

Links to documentation supporting these rule changes:

• Here's the original PR from the msbuild team.
• Here is the documentation from the msbuild team explaining the feature that generates the path
• Heres' a similar PR for the dotnet runtime

If this is a new template:

• Link to application or project’s homepage: N/A