Bump c8 from 8.0.1 to 9.1.0 (#89)

Author: dependabot[bot]

package.json

@@ -23,7 +23,7 @@
     "website-scraper": "^5.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.1.0",
     "chai": "^4.2.0",
     "eslint": "^8.5.0",
     "finalhandler": "^1.1.2",