Bump prismjs from 1.23.0 to 1.24.0 in /site (#6467)

Bumps [prismjs](https://github.com/PrismJS/prism) from 1.23.0 to 1.24.0.
- [Release notes](https://github.com/PrismJS/prism/releases)
- [Changelog](https://github.com/PrismJS/prism/blob/master/CHANGELOG.md)
- [Commits](PrismJS/prism@v1.23.0...v1.24.0)

---
updated-dependencies:
- dependency-name: prismjs
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

site/package-lock.json

@@ -25,7 +25,7 @@
     "pg": "^7.12.1",
     "polka": "^1.0.0-next.9",
     "prism-svelte": "^0.4.3",
-    "prismjs": "^1.21.0",
+    "prismjs": "^1.24.0",
     "sirv": "^1.0.0",
     "yootils": "0.0.16"
   },