chore(package): update storybook to version 7.6.21

Author: depfu[bot]

package.json

@@ -81,7 +81,7 @@
     "react-use": "^17.6.0",
     "release-it": "^16.3.0",
     "size-limit": "^11.2.0",
-    "storybook": "^7.6.13",
+    "storybook": "^7.6.21",
     "tsdx": "^0.14.1",
     "tslib": "^2.8.1",
     "typescript": "^5.9.3"