chore: postcss-selector-parser (#81)

Author: alexander-akait

package.json

@@ -33,7 +33,7 @@
   },
   "dependencies": {
     "icss-utils": "^5.0.0",
-    "postcss-selector-parser": "^6.0.2",
+    "postcss-selector-parser": "^7.0.0",
     "postcss-value-parser": "^4.1.0"
   },
   "devDependencies": {