(MODULES-10874) Add property 'sync'

[jameslikeslinux]

This property controls how transactions are synchronized and it has been available since Solaris 10 8/11 release:

https://docs.oracle.com/cd/E26505_01/html/E37384/gbscy.html#gjzl

[puppet-community-rangefinder]

zfs is a type

Breaking changes to this file MAY impact these 4 modules (near match):

• maxadamo-zfs_nas
• tedivm-hieratic
• counsyl-sys
• hackerhorse-puppet_deluge

This module is declared in 1 of 575 indexed public Puppetfiles.

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These results were generated with Rangefinder, a tool that helps predict the downstream impact of breaking changes to elements used in Puppet modules. You can run this on the command line to get a full report.

Exact matches are those that we can positively identify via namespace and the declaring modules' metadata. Non-namespaced items, such as Puppet 3.x functions, will always be reported as near matches only.

[GabrielNagy]

Hi @iamjamestl,

Thanks for the contribution, the code looks good! Can you also add the new property to the list at https://github.com/puppetlabs/puppetlabs-zfs_core/blob/main/spec/unit/type/zfs_spec.rb#L4

Otherwise this should be good to merge.

[jameslikeslinux]

@GabrielNagy, thank you. I've made the change you requested.