chore: rollback css-what

Author: farfromrefug

packages/core/package.json

@@ -64,7 +64,7 @@
 		"@nativescript/hook": "~3.0.4",
 		"acorn": "^8.15.0",
 		"css-tree": "^3.1.0",
-		"css-what": "^7.0.0",
+		"css-what": "^6.1.0",
 		"emoji-regex": "^10.2.1",
 		"source-map": "0.7.6",
 		"source-map-js": "^1.2.1",