v4.39.2: Even More Accessibility Fixes

What's Changed

• fix: a11y issues, round 2 by @wesleyboar in #1141
• chore(deps): core-styles v2.55 + section--accent by @wesleyboar in #1144
• chore(ci): bump node to 20 to match core-styles by @wesleyboar in #1145
• chore(deps): bump core-styles again for a11y by @wesleyboar in #1146
• fix: footer links by @wesleyboar in #1147
• docs: fix inaccurate section style manage cmd details by @wesleyboar in #1148
• chore(deps): use Core-Styles footer fix branch by @wesleyboar in #1149

Full Changelog: v4.39.1...v4.39.2