ci: update redis cluster proxy container image (#450)

Author: supercaracal

test/proxy/redis-cluster-proxy/Dockerfile

@@ -1,18 +1,17 @@
 # https://hub.docker.com/_/debian
-FROM debian:11 as builder
-
-RUN apt-get update
-RUN apt-get install -y --no-install-recommends build-essential wget unzip ca-certificates
-
 # https://github.com/RedisLabs/redis-cluster-proxy
+FROM debian:12 AS builder
 ARG TAG=1.0-beta2
+RUN apt-get update
+RUN apt-get install -y --no-install-recommends build-essential wget unzip ca-certificates
 WORKDIR /tmp
 RUN wget -O redis-cluster-proxy.zip "https://github.com/RedisLabs/redis-cluster-proxy/archive/refs/tags/${TAG}.zip"
 RUN unzip redis-cluster-proxy.zip
 WORKDIR /tmp/redis-cluster-proxy-${TAG}
 RUN make install REDIS_CLUSTER_PROXY_LDFLAGS=-zmuldefs
 
 # https://github.com/GoogleContainerTools/distroless
-FROM gcr.io/distroless/cc-debian11:debug
+FROM gcr.io/distroless/cc-debian12:nonroot
 COPY --from=builder /usr/local/bin/redis-cluster-proxy /usr/local/bin/redis-cluster-proxy
+USER nonroot
 ENTRYPOINT ["/usr/local/bin/redis-cluster-proxy"]