v1.17.1

What's changed since v1.17.0:

• Bug fixes:
  • Fixed union returns null when merged with built-in expansion objects by @BernieWhite.
    #1515
  • Fixed missing zones in test for standalone VM by @BernieWhite.
    #1506

Changelog: https://azure.github.io/PSRule.Rules.Azure/CHANGELOG-v1/