fix(deps): update dependency @cypress/webpack-preprocessor to v4.1.5

Author: renovate-bot

package-lock.json

@@ -102,7 +102,7 @@
   },
   "dependencies": {
     "@cypress/code-coverage": "3.7.0",
-    "@cypress/webpack-preprocessor": "4.1.3",
+    "@cypress/webpack-preprocessor": "4.1.5",
     "babel-plugin-istanbul": "6.0.0",
     "debug": "4.1.1",
     "find-webpack": "1.6.1",