nytimes.com and other sites return 403 responses when requests do not match typical browser user-agents
our bookmark fetching requests were using Ghost(https://github.com/TryGhost/Ghost) meaning bookmark creation failed for these user-agent-blocking sites
switched to using a standard browser user-agent string to avoid such blocks
closes https://linear.app/tryghost/issue/ENG-762
Ghost(https://github.com/TryGhost/Ghost)meaning bookmark creation failed for these user-agent-blocking sites