Support dotnet nuget api-key option

Problem to solve

Dotnet users should be able to use the NuGet package repository (https://docs.gitlab.com/ee/user/packages/nuget_repository/) with the following command:

dotnet nuget -v Debug push **/*.nupkg --source https://gitlab.com/api/v4/projects/1/packages/nuget/index.json --api-key PAT_TOKEN

Intended users

Further details

• NuGet authentication is currently only supported in those modes:
  • Using nuget sources (https://docs.gitlab.com/ee/user/packages/nuget_repository/)
  • For the dotnet command, a nuget.config file has to be created. (https://docs.gitlab.com/ee/user/packages/nuget_repository/)

Proposal

• Analyze how --api-key is reflected in the queries
• Support this authentication option

Permissions and Security

• No changes in the permissions

Documentation

• Update https://docs.gitlab.com/ee/user/packages/nuget_repository/ to document how --api-key can be used.

Availability & Testing

What does success look like, and how can we measure that?

What is the type of buyer?

Is this a cross-stage feature?

Links / references

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