chore: update debian-iptables to bullseye-v1.1.0 (#291)

Signed-off-by: Anish Ramasekar <anish.ramasekar@gmail.com>

docker/proxy-init.Dockerfile

@@ -1,6 +1,6 @@
-FROM --platform=${TARGETPLATFORM:-linux/amd64} k8s.gcr.io/build-image/debian-iptables:bullseye-v1.0.0
+FROM --platform=${TARGETPLATFORM:-linux/amd64} k8s.gcr.io/build-image/debian-iptables:bullseye-v1.1.0
 
-# upgrading libssl1.1 due to CVE-2021-3711
+# upgrading libssl1.1 due to CVE-2021-3711 and CVE-2021-3712
 # upgrading libgssapi-krb5-2 and libk5crypto3 due to CVE-2021-37750
 RUN clean-install ca-certificates libssl1.1 libgssapi-krb5-2 libk5crypto3
 COPY ./init/init-iptables.sh /bin/