upgraded from 1.79.0 to 1.81

specifically
from rust:1.79.0-slim-bookworm
to rust:1.81.0-slim-bookworm

Dockerfile.ci

@@ -1,4 +1,4 @@
-FROM cimg/rust:1.81.0
+FROM cimg/rust:1.79.0
 COPY --from=sclevine/yj /bin/yj /bin/yj
 RUN /bin/yj -h
 RUN sudo apt-get update && \

tests/docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.81.0-slim-bookworm 
+FROM rust:bullseye
 
 COPY --from=sclevine/yj /bin/yj /bin/yj
 RUN /bin/yj -h