Resolve "Updates to GitLab on Google Cloud Landing Page"

Changes

• Updated GCP page content
• Updated technology partners components with slippers styles

Production	Review app
https://about.gitlab.com/partners/technology-partners/google-cloud-platform/	https://2717-updates-to-gitlab-on-google-cloud-landing-page.about.gitlab-review.app/partners/technology-partners/google-cloud-platform/

Closes #2717 (closed)