build(deps): bump lukemathwalker/cargo-chef in /qns

Bumps lukemathwalker/cargo-chef from `acfab68` to `3bf32e0`.

---
updated-dependencies:
- dependency-name: lukemathwalker/cargo-chef
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

qns/Dockerfile

@@ -1,4 +1,4 @@
-FROM lukemathwalker/cargo-chef@sha256:acfab68709ad444b7cc9106d7e90a2bce4a77ed63889712fb6686e0e6ecfe8aa AS chef
+FROM lukemathwalker/cargo-chef@sha256:3bf32e02df18ed868a19bcf6e937f99ca155cce42e45140737113526efd33c5f AS chef
 
 WORKDIR /app