CI fails on window with rustc 1.81

[peso]

Describe the bug
github CI runs fail on compiling cargo-wix on windows with rust 1.81

To Reproduce
Steps to reproduce the behavior:

1. Go to github Actions for workflow CI
2. Click on a failed run. First one is run 9128 (after 2025-05-11)
3. Open the failed windows job.
4. Scroll down to the error in step "Build MSI (windows)".

Expected behavior
No error in run.

Context (please complete the following information):

• OS github action, windows-latest
• GitUI Version gitui-org/gitui/head
• Rust version: 1.81

Observations
error: failed to compile cargo-wix
rustc 1.81.0 is not supported by the following package:
backtrace@0.3.75 requires rustc 1.82.0