vcpkg/scripts/azure-pipelines/linux/changing-linux-packages.md

• Update provision-image.sh to add the new apt package.
• Update managed-image.json to add the new apt package to the very long line of packages.
• Create a new managed image CPP_GITHUB\PrLin-WUS\name it, choose the base image you want and copy the contents of managed-image.json into the Settings\Artifacts text box.
• Change the 1ES Hosted Pool for Linux to add that image to it.
• Change ImageOverride in $/scripts/azure-pipelines/linux/azure-pipelines.yml to the name you picked.