Draft: Protected packages: Show protection info for current user in detail

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What does this MR do and why?

Protected packages: Show protected label in packages list

MR includes:

• Feature flag switch to enable / disable the protected label
• Add badge to package in package list
• Extend graphql api to include package protection rules in graphql type Types::Packages::PackageBaseType
• Add association in model Packages::Package for matching package protection rules
• This commit is only a proof of concept in order to see if this is going in the right direction

Changelog: added

🛠 with ❤ at Siemens

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

MR Checklist (@gerardo-navarro)

• Changelog entry added, if necessary
• Documentation created/updated via this MR
• Documentation reviewed by technical writer or follow-up review issue created
• Tests added for this feature/bug
• Tested in all supported browsers
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the javascript style guides
• Conforms to the database guides

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