[Blueprints, all]: Pass hardeneks over the blueprients

[carlosrodlop]

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What is the outcome that you are trying to reach?

Include the binary of https://github.com/aws-samples/hardeneks in the Blueprint Agent. Then, add a target in the Makefile to validate Best Practices for Blueprints

Describe the solution you would like

Describe alternatives you have considered

Additional context