fix(deps): update dependency del to v8 (#556)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -60,7 +60,7 @@
     "chalk": "4.1.2",
     "cli-spinner": "0.2.10",
     "cross-spawn": "7.0.6",
-    "del": "6.1.1",
+    "del": "8.0.1",
     "glob": "7.2.3",
     "img-diff-js": "0.5.4",
     "jpeg-js": "^0.4.4",