Point update checker to the correct URL where we store files — radicle-desktop

Fixes: https://app.radicle.xyz/nodes/seed.radicle.garden/rad%3Az4D5UCArafTzTQpDZNQRuqswh3ury/issues/12c06ed9af91e5db0a2683e1353ec88a3c116968.

     "security": {
       "csp": {
         "default-src": "'self'",
         "connect-src": "ipc: http://ipc.localhost https://minio-api.radworks.garden tauri://localhost/assets/onig-CwjCXqnP.wasm",
         "connect-src": "ipc: http://ipc.localhost https://files.radicle.xyz tauri://localhost/assets/onig-CwjCXqnP.wasm",
         "img-src": "'self' blob: data: https:",
         "script-src": "'wasm-unsafe-eval'",
         "style-src": "'unsafe-inline' 'self'"

 const fetchLatestVersion = async (): Promise<LatestVersionInfo> => {
   const response = await fetch(
     "https://minio-api.radworks.garden/radworks-releases/radicle-desktop/latest/latest.json",
     "https://files.radicle.xyz/releases/radicle-desktop/latest/latest.json",
   );
   const body: LatestVersionInfo = await response.json();
   return body;