Updating dependencies...

I'm really struggling to update the openflexure server - we are stuck in dependency hell again. I think I can relax a lot of the version constraints there to update things, but need to think carefully about the dependencies that come in via labthings: do we bite the bullet and update Flask? Is it time to try out an alternative framework like FastAPI? I think if I'm going to put a chunk of effort in, I'd be best putting it towards whatever's most useful long term, and if updating Flask already breaks things, maybe FastAPI is something to think about for the next major version?

@jtc42 what's your thinking here, and how much are you likely to want to get involved?

审查 openflexure 服务器的依赖约束，以及通过 labthings 引入的依赖。首先明确目标是更新 Flask 还是评估 FastAPI；完成此任务需要就框架方向达成一致，并制定经过测试的依赖更新解决方案。