Use a different (better) approach for installing local images required for docker compose tests

[kriscfoster]

• this is currently used - https://github.com/salesforce/rules_docker_compose/blob/main/docker_compose/docker_compose_test.sh#L17-L22
• https://github.com/GoogleContainerTools/container-structure-test may use a more preferred way of doing the same thing (somewhere in https://github.com/GoogleContainerTools/container-structure-test/blob/main/bazel/container_structure_test.bzl)