a11y(darkmode): use a button for the theme toggle (#1335)

Andrew

2024-08-24 4c9e8601504f76dcc3c273ea8ad1862df432b7b4

 .github/dependabot.yml

@@ -8,4 +8,4 @@
  - package-ecosystem: "npm"
    directory: "/"
    schedule:
      interval: "daily"
      interval: "weekly"