chore(deps): update dependency del to v8

Author: renovate[bot]

package-lock.json

@@ -38,7 +38,7 @@
     "bourbon": "4.3.4",
     "browser-sync": "3.0.4",
     "css-loader": "^6.0.0",
-    "del": "2.2.2",
+    "del": "8.0.0",
     "eslint": "^8.35.0",
     "eslint-config-edx": "4.0.4",
     "gulp": "^4.0.2",