Added a parameter for configuration(Debug/Release) on the cake build script

[azchohfi]

Fixes #4144

This adds a parameter to the build.cake file to be able to easily build everything in debug mode.

PR Type

What kind of change does this PR introduce?

• Feature

• Build or CI related changes

What is the current behavior?

Can only run the build script in Release.

What is the new behavior?

Builds in Release mode by default, but you can run "build.ps1 -configuration debug" to build everything in debug.

PR Checklist

Please check if your PR fulfills the following requirements:

• Tested code with current supported SDKs
• Pull Request has been submitted to the documentation repository instructions. Link:
• Sample in sample app has been added / updated (for bug fixes / features)
  • Icon has been created (if new sample) following the Thumbnail Style Guide and templates
• New major technical changes in the toolkit have or will be added to the Wiki e.g. build changes, source generators, testing infrastructure, sample creation changes, etc...
• Tests for the changes have been added (for bug fixes / features) (if applicable)
• Header has been added to all new source files (run build/UpdateHeaders.bat)
• Contains NO breaking changes

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