Update dependency @cypress/webpack-preprocessor to v7

Author: renovate[bot]

package.json

@@ -29,7 +29,7 @@
     "@babel/preset-env": "7.28.3",
     "@babel/register": "7.28.3",
     "@cypress/code-coverage": "1.14.0",
-    "@cypress/webpack-preprocessor": "4.1.5",
+    "@cypress/webpack-preprocessor": "7.0.2",
     "babel-loader": "8.4.1",
     "babel-plugin-istanbul": "5.2.0",
     "cross-env": "5.2.1",