Bump defu from 6.1.4 to 6.1.6 (#3019)

Author: benjie

yarn.lock

@@ -12314,9 +12314,9 @@ __metadata:
   linkType: hard
 
 "defu@npm:^6.1.4":
-  version: 6.1.4
-  resolution: "defu@npm:6.1.4"
-  checksum: 10/aeffdb47300f45b4fdef1c5bd3880ac18ea7a1fd5b8a8faf8df29350ff03bf16dd34f9800205cab513d476e4c0a3783aa0cff0a433aff0ac84a67ddc4c8a2d64
+  version: 6.1.6
+  resolution: "defu@npm:6.1.6"
+  checksum: 10/8fc81f8e4484a008d13fceeb79261677c9b887ea6a0c6841b8a87802366d7b4ce63317ba87f08a59f9448b78cf9bbaecf0e0f840a091bbb2edf9a9adff108343
   languageName: node
   linkType: hard