Upgrade css-select from ^3.1.2 to ^4.1.3 (#1485)

Author: ericcornelissen

package-lock.json

@@ -95,7 +95,7 @@
     "@trysound/sax": "0.1.1",
     "chalk": "^4.1.0",
     "commander": "^7.1.0",
-    "css-select": "^3.1.2",
+    "css-select": "^4.1.3",
     "css-tree": "^1.1.2",
     "csso": "^4.2.0",
     "stable": "^0.1.8"