BREAKING CHANGE: v7.0.0

• sets umask when executing the execute[splunk enable boot-start] resource
• adds new attribute, default['splunk']['enable_boot_start_umask'] for umask setting applied to execute[splunk enable boot-start] (Default: '18')
• BREAKING CHANGE #splunk_cmd now requires a dynamic array of arguments that will be appended to the splunk command
• splunk.service is symlinked to the systemd unit
• adds a kitchen-vagrant config to run inside Github Actions
• enhancements to the :remove action for splunk_installer resource to ensure a complete uninstall for both Splunk Enterprise Server and Universal Forwarder