Added new parameter to support CMK, removed Computers to Include parameter

[tagolovina]

Overview/Summary

Replace this with a brief description of what this Pull Request fixes, changes, etc.

This PR adds/removes

1. Added new parameter to use customer-managed storage accounts in scheduled query alert rules

2. Removed Computers to Include parameter because of policy parameters limit.

3. Created documentation about customer-managed storage accounts in scheduled query alert rules
   Breaking Changes

4. No

As part of this Pull Request I have

• Read the Contribution Guide and ensured this PR is compliant with the guide
• Checked for duplicate Pull Requests
• Associated it with relevant GitHub Issues or ADO Work Items (Internal Only)
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Ensured PR tests are passing
• Updated relevant and associated documentation (e.g. Contribution Guide, Docs etc.)