chore(deps): update dependency copy-webpack-plugin to v13

Author: renovate[bot]

package-lock.json

@@ -12,7 +12,7 @@
   "homepage": "https://github.com/hugomods/decap-cms",
   "devDependencies": {
     "@tsconfig/recommended": "^1.0.2",
-    "copy-webpack-plugin": "^12.0.2",
+    "copy-webpack-plugin": "^13.0.0",
     "decap-cms": "^3.1.1",
     "prettier": "^3.0.0",
     "prettier-plugin-go-template": "^0.0.15",