Feat: promote paid plan for eligible top level group

What does this MR do and why?

• Part of issue #4494

Feat: promote paid plan for eligible top level group

• Add entry for eligible group for trial promotion banner.
• Add Vue component for coresponding trial promotion banner.

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.

Screenshots or screen recordings

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CleanShot_2024-09-20_at_14.43.02

CleanShot_2024-09-20_at_14.44.10

CleanShot_2024-09-23_at_14.05.06

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.