[llvm] Add sync-up for floating-point working group (PR #71885)

[via llvm-commits]

Ariel-Burton wrote:

> Is this 4pm west coast time? Or does the calendar automatically adjust the time shown for my time zone? I'm US east coast.

I think it's 4pm Eastern / 1pm West Coast.  I looked at the calendar a few moments ago.  It showed a time of 9pm UCT, which is 4pm Eastern.

https://github.com/llvm/llvm-project/pull/71885