Fix Windows build in CI (#15990)

Marshall Bowers created

This PR fixes the Windows build in CI, which was failing due to Clippy
warnings.

Release Notes:

- N/A

Change summary

crates/assistant/src/assistant.rs | 2 ++
1 file changed, 2 insertions(+)

Detailed changes

crates/assistant/src/assistant.rs 🔗

@@ -1,3 +1,5 @@
+#![cfg_attr(target_os = "windows", allow(unused, dead_code))]
+
 pub mod assistant_panel;
 pub mod assistant_settings;
 mod context;