chore: sync plugin from AstrBotDevs/AstrBot#5097

Author: astrbot-plugin-copybara[bot]

plugins.json

@@ -1,4 +1,13 @@
 {
+  "astrbot-plugin-wordlimit": {
+    "display_name": "字数限制器",
+    "desc": "在 LLM 回复后检查字数，超过限制时自动使用 LLM 缩短回复内容",
+    "author": "lingyu",
+    "repo": "https://github.com/DCM234/astrbot_plugin_wordlimit",
+    "tags": [
+      "字数限制"
+    ]
+  },
   "astrbot-plugin-bili-resolver": {
     "display_name": "Bilibili 小程序原链解析",
     "desc": "Bilibili的小组件最麻烦了，电脑打不开，于是做了个可以直接转成原链接和展示播放和介绍的工具",