fix(deps): update dependency css-tree to v3

Author: renovate[bot]

package-lock.json

@@ -42,7 +42,7 @@
   "dependencies": {
     "base64-js": "^1.2.1",
     "base64-loader": "^1.0.0",
-    "css-tree": "^1.1.3",
+    "css-tree": "^3.0.0",
     "fastestsmallesttextencoderdecoder": "^1.0.22",
     "isomorphic-dompurify": "^2.4.0",
     "minilog": "^3.1.0",