Auto merge of #117089 - wesleywiser:update_backtrace, r=Mark-Simulacrum

Update backtrace submodule

This pulls in a few notable changes (see the [complete list](rust-lang/backtrace-rs@99faef8...e9da96e) for details):

- rust-lang/backtrace-rs#508
- rust-lang/backtrace-rs#566
- rust-lang/backtrace-rs#569
  - Fixes #116403 by no longer using `dbghelp.dll` during backtrace capture.

Author: bors