fix: add unzip to awscli builders

unzip seems to be missing in the rpi* awscli builders images. This leads the installation of awscli to fail.

Relevant logs

 > [6/6] RUN set -eux;     case "arm" in       arm64) export CPU_TYPE="aarch64" ;;      arm)   export CPU_TYPE="armv6l" ;;       s390x) export CPU_TYPE="s390x" ;;       *) export CPU_TYPE="x64_64" ;;     esac;     case "${CPU_TYPE}" in       armv6l)         pip3 install --upgrade -Iv virtualenv==16.7.10 pip ;         export BOOTLOADER_PATH="/usr/local/lib/python3.9/dist-packages/PyInstaller/bootloader" ;         curl -fsSL "https://github.com/aws/aws-cli/archive/2.7.18.tar.gz"         | tar -xzC /tmp         && cd /tmp/aws-cli-2.7.18         && pip3 install -r requirements.txt         && cp -r ${BOOTLOADER_PATH}/Linux-32bit-arm ${BOOTLOADER_PATH}/Linux-32bit-aarch         && python3 ./scripts/installers/make-exe --output=/tmp/awscli.zip         ;;       s390x)         curl -fsSL "https://github.com/pyinstaller/pyinstaller/releases/download/v3.5/PyInstaller-3.5.tar.gz"         | tar -xzC /tmp         && cd /tmp/PyInstaller-3.5/bootloader         && python3 ./waf all         && cd /tmp/PyInstaller-3.5         && python3 setup.py install         && rm -Rf /tmp/PyInstaller-3.5 ;         pip3 install --upgrade -Iv pip ;         export BOTOCORE_COMMIT_ID="5813c52" ;         curl -fsSL "https://github.com/aws/aws-cli/archive/2.7.18.tar.gz"         | tar -xzC /tmp         && cd /tmp/aws-cli-2.7.18         && sed -i "s|botocore/zipball/v2|botocore/zipball/${BOTOCORE_COMMIT_ID}|" requirements.txt         && python3 ./scripts/installers/make-exe --output=/tmp/awscli.zip         && rm -Rf /tmp/aws-cli-2.7.18         ;;       *)         curl -Lo /tmp/awscli.zip "https://awscli.amazonaws.com/awscli-exe-linux-${CPU_TYPE}-2.7.18.zip"         ;;     esac;     unzip -qd /tmp/ /tmp/awscli.zip     && /tmp/aws/install     && aws --version:
#12 318.1 35051 INFO: Building COLLECT COLLECT-00.toc completed successfully.
#12 334.3 
#12 334.3 Update metadata values {'distribution_source': 'exe'}
#12 334.3 Copying contents of /tmp/aws-cli-2.7.18/exe/pyinstaller/dist/aws_completer into /tmp/tmpe5tnc9av/aws/dist
#12 334.3 Copying contents of /tmp/aws-cli-2.7.18/exe/assets into /tmp/tmpe5tnc9av/aws
#12 334.3 Deleted build directory: /tmp/aws-cli-2.7.18/exe/pyinstaller/build
#12 334.3 Deleted build directory: /tmp/aws-cli-2.7.18/exe/pyinstaller/dist
#12 334.3 Exe build is available at: /tmp/awscli.zip
#12 334.3 + unzip -qd /tmp/ /tmp/awscli.zip
#12 334.3 /bin/sh: 1: unzip: not found