Change actor for ci_include_components feature flag

What does this MR do and why?

This MR changes the FF actor from project to the root namespace to be consistent with existing usage: https://gitlab.com/gitlab-org/gitlab/-/blob/28648f9053773ecd58d3acc24a6d7e544b3598e3/lib/gitlab/ci/config/external/file/component.rb#L19

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