update Az.Compute to use latest Compute SDK

[grizzlytheodore]

…ges from 'SecurityType" to "string" end user experience stays the same.

Description

Checklist

• I have read the Submitting Changes section of CONTRIBUTING.md
• The title of the PR is clear and informative
• The appropriate ChangeLog.md file(s) has been updated:
  • For any service, the ChangeLog.md file can be found at src/{{SERVICE}}/{{SERVICE}}/ChangeLog.md
  • A snippet outlining the change(s) made in the PR should be written under the ## Upcoming Release header -- no new version header should be added
• The PR does not introduce breaking changes
• If applicable, the changes made in the PR have proper test coverage
• For public API changes to cmdlets:
  • a cmdlet design review was approved for the changes in this repository (Microsoft internal only)
    • {Please put the link here}
  • the markdown help files have been regenerated using the commands listed here

[grizzlytheodore]

SecurityType parameter type changed from "SecurityType" to "string".
because this enum property in Swagger went from modelAsString: false to true.
shown here Azure/azure-rest-api-specs@9c4f909

but the end user experience should stay the same.

[isra-fel]

BreakingChangeIssues.csv is in wrong format -- each cell should be double-quoted -- make sure you copied them from the csv files in the artifacts of a failed pipeline, not from the logs.

[grizzlytheodore]

please review again ! @isra-fel