[llvm] [bazel] Update to 7.x (PR #86297)

[Augie Fackler via llvm-commits]

durin42 wrote:

> thanks for linking, merged a revert here to unblock #86325
> 
> do you know if there is a way I can run those CI jobs on my change? on my linux x86 machine with your command I don't see the same issue

I wish I did! It took some futzing to get it to reproduce for me, and while I _thought_ the `--config=ci` was the magic I'm not entirely sure it was. I'll ask around if anyone can provide advice on a better way to reproduce. :/

https://github.com/llvm/llvm-project/pull/86297