Page Migration: /solutions/public-sector

Migrating the pubsec page to the new project, while also building out new components.

• Page: https://about.gitlab.com/solutions/public-sector/
• Figma: https://www.figma.com/design/Oc3FWb8gPYb718TO6Q63eE/Public-Sector-Solutions-Page?node-id=682-8651&t=hyyC2CZ7PcXeksy0-1

Components on this page:

• - Common Hero (exists, but update to add video component)
• - FedRamp card (new)
• - Accordion x4 (being built for gitlab-duo page)
• - Stats (new)
• - Quote Carousel (being built for developer-experience page)
• - Secure By design pledge (new)
• - Which version is right cards (new)
• - Resources Cards (built for get-started page)
• - Gartner Endorsement (being built for gitlab-duo page)
• - Next Steps