Update DOMPurify

Only breaking change is IE compatibility.

Author: microbit-matt-hillsdon

package-lock.json

@@ -23,7 +23,6 @@
     "@testing-library/jest-dom": "^5.14.1",
     "@testing-library/react": "^14.0.0",
     "@testing-library/user-event": "^14.4.3",
-    "@types/dompurify": "^2.3.1",
     "@types/lodash.debounce": "^4.0.6",
     "@types/lodash.sortby": "^4.7.6",
     "@types/lunr": "^2.3.4",
@@ -33,7 +32,7 @@
     "@types/react-dom": "^18.3.0",
     "base64-js": "^1.5.1",
     "crelt": "^1.0.5",
-    "dompurify": "^2.3.3",
+    "dompurify": "^3.2.5",
     "file-saver": "^2.0.5",
     "framer-motion": "^10.2.4",
     "lodash.debounce": "^4.0.8",