chore: update antd-token-previewer version

Author: shezhangzhang

package.json

@@ -59,7 +59,7 @@
     "webpack-cli": "^4.9.2"
   },
   "dependencies": {
-    "antd-token-previewer": "^1.0.0-alpha.20",
+    "antd-token-previewer": "^1.0.0-alpha.22",
     "rgb-hex": "^4.0.0"
   },
   "repository": {