[WIP] Bundle container images from plugins in an RPM

[agrare]

VERY WIP doesn't work right now

+ podman load --root=/root/rpmbuild/BUILDROOT/manageiq-19.0.0-20240405144727.el9.x86_64/var/lib/manageiq/data/containers/storage --input manageiq-gemset-19.0.0/bundler/gems/manageiq-providers-embedded_terraform-a6319eeb8602/content/containers/opentofu-runner_latest
time="2024-04-05T14:59:24Z" level=warning msg="Using rootless single mapping into the namespace. This might break some images. Check /etc/subuid and /etc/subgid for adding sub*ids if not using a network user"
Getting image source signatures
Copying blob sha256:d858e3d4ed076bae0562df26c2c251d1140619a80531f5e6edf1b4b2af55cdb3
Copying blob sha256:4222f9694f4be6c22d86d8a24a6e26d49ed01d1c393bb053ea8003928635446a
Copying blob sha256:c0d7d10a1b4e234d1c9057f8f793cff397a738d3334d3d40b93519d9e81a25ee
Copying blob sha256:716476e198e5a004dab028219afa022f8d56cc497b4f92ee770c52b01d9b61e6
Copying blob sha256:048b0fef4f933bbe51ac1da3d7d93ed17f8bc3c46c05703f41a24f243da46a90
Copying blob sha256:39146e33ec19ce2b054da412b06ccc57e648f3078cdc01dfd1523b9cb22de066
Error: payload does not match any of the supported image formats:
 * oci: writing blob: adding layer with blob "sha256:d858e3d4ed076bae0562df26c2c251d1140619a80531f5e6edf1b4b2af55cdb3": processing tar file(potentially insufficient UIDs or GIDs available in user namespace (requested 0:42 for /etc/shadow): Check /etc/subuid and /etc/subgid if configured locally and run "podman system migrate": lchown /etc/shadow: invalid argument): exit status 1

ManageIQ/manageiq#22979

[miq-bot]

Checked commits agrare/manageiq-rpm_build@bfed0c2~...0cc6f42 with ruby 2.7.8, rubocop 1.56.3, haml-lint 0.51.0, and yamllint
3 files checked, 0 offenses detected
Everything looks fine. 🍪

[miq-bot]

This pull request has been automatically marked as stale because it has not been updated for at least 3 months.

If these changes are still valid, please remove the stale label, make any changes requested by reviewers (if any), and ensure that this issue is being looked at by the assigned/reviewer(s).