Merge pull request #366 from nextcloud/dependabot/npm_and_yarn/webpack-merge-5.7.3

Bump webpack-merge from 5.3.0 to 5.7.3

Author: ChristophWurst

package-lock.json

@@ -60,7 +60,7 @@
     "vue-template-compiler": "^2.6.12",
     "webpack": "^4.46.0",
     "webpack-cli": "^4.4.0",
-    "webpack-merge": "^5.3.0"
+    "webpack-merge": "^5.7.3"
   },
   "browserslist": [
     "extends @nextcloud/browserslist-config"