Update dependency madge to v8

Author: renovate[bot]

package.json

@@ -44,7 +44,7 @@
     "eslint-plugin-wc": "^2.0.0",
     "gh-pages": "^6.0.0",
     "husky": "^9.0.0",
-    "madge": "^6.0.0",
+    "madge": "^8.0.0",
     "prettier": "^2.7.1",
     "rimraf": "^5.0.0",
     "sinon": "^17.0.0",