feat: Fix dropdown menu bug in dev.js and build.js

packages/artplayer-plugin-vtt-thumbnail/package.json

@@ -1,6 +1,6 @@
 {
     "license": "MIT",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "name": "artplayer-plugin-vtt-thumbnail",
     "types": "types/artplayer-plugin-vtt-thumbnail.d.ts",
     "description": "vtt thumbnail plugin for ArtPlayer",
@@ -21,4 +21,4 @@
         "video",
         "player"
     ]
-}
+}