Rebase to latest upstream; version tag instead of git commit hash
Use version tag in Source instead of commit hash where possible.
I think the network role prefers to do "proper" releases, and
auto-maintenance is untagged.
In addition, the following changes were made:
ha_cluster - add pacemaker resources configuration
Resolves: rhbz#1963283
ha_cluster - code cleanup
Resolves: rhbz#1970666
Postfix RHEL system role README.md missing variables under the "Role Variables" section
Resolves: rhbz#1961858
logging README.html examples are rendered incorrectly
Resolves: rhbz#1962374
make postfix role idempotent - round 2
Resolves: rhbz#1960375
selinux task for semanage says Fedora in name but also runs on RHEL/CentOS 8
Resolves: rhbz#1966681
metrics role task to enable logging for targeted hosts not working
Resolves: rhbz#1967335
network - Add 'auto_gateway' option
Resolves: rhbz#1897565
network - Only show stderr_lines by default
Resolves: rhbz#1970666
storage - LVMVDO support
Resolves: rhbz#1882475
storage - fix several linter issues
Resolves: rhbz#1970666
ssh - Fix variable precedence when invoked through roles
Resolves: rhbz#1966711
ssh - Update configuration options list for OpenSSH 8.6
Resolves: rhbz#1970666
sshd - Fix variable precedence when invoked through roles
Resolves: rhbz#1966711
sshd - Update configuration options list for OpenSSH 8.6
Resolves: rhbz#1970666
sshd - support for appending a snippet to configuration file
Resolves: rhbz#1970642
timesync - add NTS support
Resolves: rhbz#1970664
timesync - rebase to latest
Resolves: rhbz#1970666
nbde_client - rebase to latest
Resolves: rhbz#1970666