chore: lock the plugin boundary and remove 2.9.0 leftovers

plugins/tailscale/src/frontend/TailscaleDevicesStatus.tsx

@@ -9,7 +9,7 @@
 import { useCallback, useEffect, useState } from "react";
 import { useTranslation } from "@termix/plugin-sdk/frontend";
 import { Loader2, RefreshCw } from "lucide-react";
-import { Button } from "@/components/button";
+import { Button } from "@termix/plugin-sdk/ui";
 import type { SettingsComponentProps } from "@termix/plugin-sdk/frontend";
 import { getTailscaleDevices } from "./tailscale-api";