meta: bump shiki from 1.24.4 to 2.2.0 (nodejs#7455)

Bumps [shiki](https://github.com/shikijs/shiki/tree/HEAD/packages/shiki) from 1.24.4 to 2.2.0.
- [Release notes](https://github.com/shikijs/shiki/releases)
- [Commits](https://github.com/shikijs/shiki/commits/v2.2.0/packages/shiki)

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

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apps/site/package.json

@@ -69,7 +69,7 @@
     "remark-gfm": "~4.0.0",
     "remark-reading-time": "~2.0.1",
     "semver": "~7.6.3",
-    "shiki": "~1.24.0",
+    "shiki": "~2.2.0",
     "sval": "^0.5.2",
     "tailwindcss": "~3.4.15",
     "unist-util-visit": "~5.0.0",