This may mean that the package is missing, has been obsoleted, or is only available from another source However the following packages replace it: mariadb-client-10.5
E: Package 'mariadb-client-10.3' has no installation candidate The command '/bin/sh -c apt update && apt -y install libmagick++-dev python3 build-essential mariadb-client-10.3 && rm -rf /tmp/* /var/tmp/* /var/lib/apt/lists/*' returned a non-zero code: 100 Cleaning up file based variables ERROR: Job failed: exit code 100