chore(deps-dev): Bump shiki from 2.3.2 to 3.1.0

Bumps [shiki](https://github.com/shikijs/shiki/tree/HEAD/packages/shiki) from 2.3.2 to 3.1.0.
- [Release notes](https://github.com/shikijs/shiki/releases)
- [Commits](https://github.com/shikijs/shiki/commits/v3.1.0/packages/shiki)

---
updated-dependencies:
- dependency-name: shiki
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -66,7 +66,7 @@
     "postcss": "^8.5.3",
     "postcss-html": "^1.8.0",
     "sass": "^1.85.1",
-    "shiki": "^2.3.2",
+    "shiki": "^3.1.0",
     "stylelint": "^16.15.0",
     "typescript": "^5.7.3",
     "urlpattern-polyfill": "^10.0.0",