v5.12.1

What's Changed

• Updated documentation to explain that shellcommand 'command' does not mean a multi-line script by @vanderpol in #233
• OVAL 5.12.1 update independent shellcommand state command to have minoccurs 0 by @vanderpol in #248
• Added pwsh and updated documentation for powershell shell by @vanderpol in #264
• Added days_since_last_logon attribute to Windows ntuser test by @vanderpol in #257
• Undeprecated wuaupdatesearcher and added several elements to the state and collected item by @vanderpol in #259
• Updating version and date for #251 pending oval board approval on 05/22/2023 by @vanderpol in #265
• Updated documentation from 5.12.1 schema files to resolve #267 by @vanderpol in #269
• Merge 5.12.1 develop into master for 5.12.1 release by @vanderpol in #270
• Resolved #242 in OVAL 5.12.1 by adding full_name, comment and password_age_days to user_sid55 state and item"" by @vanderpol in #271
• Added '' to allow for variable usage by @vanderpol in #274
• Added DateType and updated state and item to use it vs xsd:date by @vanderpol in #276
• Merge minor windows wuaupdatesearcher fixes into master. by @vanderpol in #277

Full Changelog: v6.0...v5.12.1