chore: drop deprecated @types/dompurify

Author: vicb

package.json

@@ -41,7 +41,6 @@
 		"@iarna/toml": "^2.2.5",
 		"@iconify-json/material-symbols": "^1.2.12",
 		"@stoplight/json-schema-tree": "^4.0.0",
-		"@types/dompurify": "^3.2.0",
 		"@types/hast": "^3.0.4",
 		"@types/he": "^1.2.3",
 		"@types/node": "^22.10.5",