chore(deps): update dependency defu to v6

Author: renovate[bot]

package.json

@@ -17,7 +17,7 @@
   },
   "dependencies": {
     "connect": "^3.7.0",
-    "defu": "^5.0.0",
+    "defu": "^6.1.2",
     "get-port-please": "^2.2.0",
     "node-res": "^5.0.1",
     "serve-static": "^1.14.1"

yarn.lock

@@ -3123,10 +3123,10 @@ define-property@^2.0.2:
     is-descriptor "^1.0.2"
     isobject "^3.0.1"
 
-defu@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/defu/-/defu-5.0.0.tgz#5768f0d402a555bfc4c267246b20f82ce8b5a10b"
-  integrity sha512-VHg73EDeRXlu7oYWRmmrNp/nl7QkdXUxkQQKig0Zk8daNmm84AbGoC8Be6/VVLJEKxn12hR0UBmz8O+xQiAPKQ==
+defu@^6.1.2:
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/defu/-/defu-6.1.2.tgz#1217cba167410a1765ba93893c6dbac9ed9d9e5c"
+  integrity sha512-+uO4+qr7msjNNWKYPHqN/3+Dx3NFkmIzayk2L1MyZQlvgZb/J1A0fo410dpKrN2SnqFjt8n4JL8fDJE0wIgjFQ==
 
 del@^4.1.1:
   version "4.1.1"