Protected packages: Provide CRUD operations PackageProtectionRules in GraphQL API

Context

• As part of the epic &5574 , project maintainer or owner need to have a way to define the PackageProtectionRules of the project
• There are different ways to realize this => however, we decided to start by offering a GraphQL interface
• This GraphQL interface is minimal should allow basic manipulation of the defined package protection rules

🛠 with ❤ at Siemens

Proposal

• Authorization: PackageProtectionRules can only changed by project maintainer or higher => consider implementation with declarative framework

GraphQL Operations	MR
Mutation: Create new package protection rule	Protected packages: GraphQL api for creating pa... (!125915 - merged)
Mutation: Update existing package protection rule	Protected packages: GraphQL api for updating pa... (!127096 - merged)
Query: All package protection rules	Protected packages: GraphQL api for querying pa... (!127022 - merged)
Mutation: Delete existing package protection rule	Protected packages: GraphQL api for deleting pa... (!127659 - merged)

Checklist

• Work through the proposal