Footer fixes and Prerelease script update

What's Changed

• Bump nokogiri from 1.13.9 to 1.13.10 in /preview by @dependabot in #243
• Bump loofah from 2.18.0 to 2.19.1 in /preview by @dependabot in #245
• Bump rails-html-sanitizer from 1.4.3 to 1.4.4 in /preview by @dependabot in #246
• Bump qs from 6.5.2 to 6.5.3 by @dependabot in #244
• Bump json5 from 1.0.1 to 1.0.2 by @dependabot in #250
• Design fixes for footer by @artismarti in #249

Full Changelog: 10.9.0...10.10.0