Changelogs for Rudder plugin cis 6.1.\* versions

backport category creation to 5.0 (#16365)

Add technique export to rudder-synchronize (#15837)

Document the plugin (#15812)

Add more items to the CIS plugin (#15796)

Add support for multi-OS benchmark (#15718)

Create the plugin base (#15553)

Fixed: cleanup the documentation (#17419)

Fixed: Starting 6.1 the plugin should use the rudder_synchronize builtin the rudder server (#17391)

Fixed: The plugin check for module freexvfs instead of freevxfs (#17302)

Fixed: Cleanup the uninstall process (#16948)

Fixed: Add dedicated techniques on a per benchmark basis (#16958)

Fixed: Adapt plugin build to the new separate benchmarks (#16935)

Fixed: Split the configuration build from the plugin build (#16921)

Fixed: Add Ubuntu18 benchmark support (#16920)

Fixed: Add a CIS category and put everything in it (#16103)

Fixed: Readme does not follow the correct syntax policy (#16423)

Fixed: Modify makefile to use pdfs from our private repos (#16381)

Fixed: Lots of directives in CIS are not working in Audit mode (#16378)

Fixed: Improve CIS documentation (#15942)

Fixed: Limit the usage of global variables in rudder-synchronize (#15848)

Fixed: As guarding class for skipping item we are using skip_item_${report_data.directive_id} instead of skip_item_${report_data.canonified_directive_id} (#15813)

Fixed: Add sysctl IPV4 cis items (#15807)

Fixed: Clean pugin install docs (#17276)

Fixed: Make images displayable in plugin doc on github (#16989)

Fixed: Change the Makefile command to find all plugin folder (#17036)