chore(deps): update dependency defu to v6

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
   },
   "dependencies": {
     "@nuxtjs/markdownit-loader": "^1.1.1",
-    "defu": "^3.2.2",
+    "defu": "^6.1.0",
     "raw-loader": "^4.0.2"
   },
   "devDependencies": {

yarn.lock

@@ -4332,6 +4332,11 @@ defu@^3.2.2:
   resolved "https://registry.yarnpkg.com/defu/-/defu-3.2.2.tgz#be20f4cc49b9805d54ee6b610658d53894942e97"
   integrity sha512-8UWj5lNv7HD+kB0e9w77Z7TdQlbUYDVWqITLHNqFIn6khrNHv5WQo38Dcm1f6HeNyZf0U7UbPf6WeZDSdCzGDQ==
 
+defu@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/defu/-/defu-6.1.0.tgz#7a5411655da73335c7d933256911f17c74443e2d"
+  integrity sha512-pOFYRTIhoKujrmbTRhcW5lYQLBXw/dlTwfI8IguF1QCDJOcJzNH1w+YFjxqy6BAuJrClTy6MUE8q+oKJ2FLsIw==
+
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"