chore(superchain): maven version, docs: CONTRIBUTING.md (#4162)

This PR resolves Issue #4080 and bumps version of the maven from `3.9.2` to `3.9.3`. --- By submitting this pull request, I confirm that my contribution is made under the terms of the [Apache 2.0 license]. [Apache 2.0 license]: https://www.apache.org/licenses/LICENSE-2.0
aws · Jul 4, 2023 · 1b7c40c · 1b7c40c
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diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -20,7 +20,7 @@ The image can be built for local usage, too:
 
 ```console
 $ IMAGE=superchain
-$ docker build -t ${IMAGE} ./superchain
+$ docker build -t ${IMAGE} -f superchain/Dockerfile .
 ```
 
 In order to get an interactive shell within a Docker container using the

diff --git a/superchain/Dockerfile b/superchain/Dockerfile
@@ -39,7 +39,7 @@ RUN echo "deb http://deb.debian.org/debian buster-backports main" > /etc/apt/sou
 SHELL ["/bin/zsh", "-c"]
 
 # Prepare maven binary distribution
-ARG M2_VERSION="3.9.2"
+ARG M2_VERSION="3.9.3"
 ENV M2_DISTRO="https://www.apache.org/dist/maven/maven-3"
 RUN set -eo pipefail                                                                                                    \
   && curl -fSsL "${M2_DISTRO}/${M2_VERSION}/binaries/apache-maven-${M2_VERSION}-bin.tar.gz"                             \