Update to idmp-plugin

{
  "official": [
    {
      "name": "idmp-plugin",
      "author": {
        "name": "TaosData",
        "email": "it@taosdata.com"
      },
      "source": {
        "ref": "main",
        "sha": "bf5197716bacc38908cf8025e594d15be9e00b8c",
        "url": "https://github.com/taosdata/agent-skills.git",
        "path": "plugins/idmp-plugin",
        "source": "git-subdir"
      },
      "category": "development",
      "homepage": "https://github.com/taosdata/agent-skills",
      "description": "TDengine IDMP plugin with packaged skills for discovery, schema inspection, and safe operational workflows."
    }
  ]
}