Bump @types/node from 20.6.5 to 20.8.0 in /src/highlightjs (#12003)

Bumps
[@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node)
from 20.6.5 to 20.8.0.
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src/highlightjs/package.json

@@ -4,7 +4,7 @@
  "devDependencies": {
  "@types/highlight.js": "^10.1.0",
  "@types/jest": "^28.1.7",
- "@types/node": "^20.6.5",
+ "@types/node": "^20.8.0",
  "@types/plist": "^3.0.3",
  "@typescript-eslint/eslint-plugin": "^6.7.3",
  "@typescript-eslint/parser": "^6.7.3",