**Summary**:
* Add watchmaker config argument `computer_name_pattern`, and exit with error
if provided `computer_name` does not match. Also writes grain for use with
name-computer-formula
* Updates default watchmaker config to use salt 3006.2
* Documents customization options for the watchmaker salt content
* Documents workarounds for known "gotchas" when applying EL7 and EL8 STIG controls
* ash-linux-formula
- Supports customization for mapping users to different SELinux contexts
- Removes el7 and EL8 STIG handlers that are now provided by SCAP remediation
content
- Consolidates all separate EL8 PAM handlers to states based on new authselect
capabilities
* join-domain-formula
- Adds support for `tries` option that retries a failed join domain action
- Integrates with ash-linux PAM handlers to apply STIG controls, if available
* trellix-agent-formula
- Refactors firewalld states around newer salt functionality
* name-computer-formula
- Supports reading pattern from salt grain