chore(deps): bump dompurify and @types/dompurify

Bumps [dompurify](https://github.com/cure53/DOMPurify) and [@types/dompurify](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/dompurify). These dependencies needed to be updated together.

Updates `dompurify` from 3.3.2 to 3.3.3
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.3.2...3.3.3)

Updates `@types/dompurify` from 3.0.5 to 3.2.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/dompurify)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.3.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: "@types/dompurify"
  dependency-version: 3.2.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -42,7 +42,7 @@
     "@github/copilot-sdk": "^0.1.32",
     "@sveltejs/adapter-node": "^5.5.4",
     "@sveltejs/kit": "^2.53.4",
-    "dompurify": "^3.3.2",
+    "dompurify": "^3.3.3",
     "express-session": "^1.18.0",
     "highlight.js": "^11.11.1",
     "isomorphic-dompurify": "^3.1.0",
@@ -62,7 +62,7 @@
     "@sveltejs/vite-plugin-svelte": "^6.2.4",
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/svelte": "^5.3.1",
-    "@types/dompurify": "^3.0.5",
+    "@types/dompurify": "^3.2.0",
     "@types/express-session": "^1.18.0",
     "@types/node": "^20.17.0",
     "@types/session-file-store": "^1.2.6",