fix(deps): update dependency eslint-config-cozy-app to v4.2.1

Author: renovate[bot]

packages/cozy-konnector-build/package.json

@@ -20,7 +20,7 @@
     "babel-preset-cozy-app": "^2.0.2",
     "copy-webpack-plugin": "9.1.0",
     "cozy-app-publish": "0.33.0",
-    "eslint-config-cozy-app": "4.0.0",
+    "eslint-config-cozy-app": "4.2.1",
     "git-directory-deploy": "1.5.1",
     "husky": "4.3.8",
     "svgo": "1.3.2",