Add Key Vault Soft Delete Flag

[elenaterenzi]

Type of PR

• Documentation changes
• Code changes

Purpose

• closes Key vault soft delete handle #596

Does this introduce a breaking change? If yes, details on what can break

no breaking change

Author pre-publish checklist

• Added test to prove my fix is effective or new feature works
• No PII in logs
• Made corresponding changes to the documentation

Validation steps

• tested with flag set to true, and no flag set.
  • When the flag is not set the key vault is created with soft delete (default).
  • When the flag is set, a key vault is created setting the soft delete option according to the flag. If the flag is set to false, soft-delete will not be enabled.

Issues Closed or Referenced

• Closes Key vault soft delete handle #596

[thesqlpro]

Looks good, just need to synchronize on the AZ Login portion as there is an open PR on it #880

[thesqlpro]

In task #685 we are removing Az Login from the individual scripts and instead including it in the pre-requisites documentation. We should sync up on this as I have a PR open to make things consistent. It has not been pushed yet. PR #880