Bump diff dependency to the faster version (#16073)

package.json

@@ -51,7 +51,7 @@
     "collapse-white-space": "1.0.6",
     "css-units-list": "2.0.1",
     "dashify": "2.0.0",
-    "diff": "5.1.0",
+    "diff": "5.2.0",
     "editorconfig": "0.15.3",
     "emoji-regex": "10.3.0",
     "escape-string-regexp": "5.0.0",