Fixes #29255 - Set plugin config file mode to 0640
This sets the config file mode to 0640 by default because they may contain secrets such as credentials. To keep it readable for Foreman, the group is modified to $foreman::group.
Related issues
Feature #29255: Set Foreman plugin config file permissions to 0640
Fixes #29255 - Set plugin config file mode to 0640
This sets the config file mode to 0640 by default because they may
contain secrets such as credentials. To keep it readable for Foreman,
the group is modified to $foreman::group.