chore(deps): update demo deps

Author: bkrem

demo/package-lock.json

@@ -10,7 +10,7 @@
     "clone": "^2.1.2",
     "gh-pages": "^3.1.0",
     "react": "^17.0.1",
-    "react-d3-tree": "^2.0.0-beta.0",
+    "react-d3-tree": "latest",
     "react-dom": "^17.0.1",
     "react-scripts": "^3.4.4"
   },
@@ -25,7 +25,15 @@
     "extends": "react-app"
   },
   "browserslist": {
-    "production": [">0.2%", "not dead", "not op_mini all"],
-    "development": ["last 1 chrome version", "last 1 firefox version", "last 1 safari version"]
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
   }
 }