v1.4: user for rootless podman doesn't need shell so use /sbin/nologin

Signed-off-by: Robert Cerven <rcerven@redhat.com>

v1.3: Increase NOFILE limit in containers

What's Changed

• fix(podman): increase system NOFILE limit and increase container.conf NOFILE limit by @ben-alkov in #27

v1.2

Tags for limiting pruning configuration

v1.1: enable cgroups v2 limits for osbs,

limits has to be explicitly allowed and enabled for non privileged user
more details in :
https://unix.stackexchange.com/questions/624428/cgroups-v2-cgroup-controllers-not-delegated-to-non-privileged-users-on-centos-s
https://unix.stackexchange.com/questions/351466/set-a-default-resource-limit-for-all-users-with-systemd-cgroups

actual limit is specified via podman-remote

* CLOUDBLD-11286

Signed-off-by: Robert Cerven <rcerven@redhat.com>

v1.0

What's Changed

• Add PR template by @ben-alkov in #2
• Run ansible-lint in github workflow by @qixiang in #3
• Basic rootless podman install and configuration by @shokakucarrier in #1
• Misc enhancements by @qixiang in #5
• Override podman default mounts by @qixiang in #4
• add ssh key setup for podman_user by @shokakucarrier in #6
• Add podman pruner job by @rcerven in #7
• setup system wide proxy by @rcerven in #8
• remove setting up proxy from the role by @rcerven in #9
• Support running and connecting podman backend with different users by @qixiang in #10
• Enable user lingering for ssh user by @qixiang in #11
• Change start number of subuid/subgid for osbs-podman user/group by @qixiang in #12
• Use FQCN for builtin actions by @qixiang in #14
• Set runtime dir permission to 770 by @lkolacek in #13
• Set LimitNOFILE for podman.service by @rcerven in #16
• Reload user systemd instead of system-wide systemd by @chmeliik in #17
• Set LimitNOFILE for osbs-podman systemd manager by @chmeliik in #18
• Prevent subscription-manager from creating repos by @chmeliik in #19
• Move systemd files to default system-wide user folder by @lkolacek in #20
• Fix pruning cronjob interval by @chmeliik in #21
• Add buildah container pruner by @chmeliik in #22
• fix 'too many open files'... by @ben-alkov in #23

New Contributors

• @ben-alkov made their first contribution in #2
• @qixiang made their first contribution in #3
• @shokakucarrier made their first contribution in #1
• @rcerven made their first contribution in #7
• @lkolacek made their first contribution in #13
• @chmeliik made their first contribution in #17

Full Changelog: https://github.com/containerbuildsystem/ansible-role-osbs-remote-hosts/commits/v1.0