feat: [DTOSS-9558] diagnostic settings for storage accounts

[MacMur85]

Description

This PR is a part of a change responsible for enabling Diagnostic Settings Metrics on Storage Accounts themselves.
Previously we've had diagnostics enabled on Storage Accounts' services, like blobs and file shares, but not on Storage Accounts themselves.

Context

There is also a PR in the Cohort Manager (PR1837) repository, that needs to be merged in after this one.

Plan:

Before:

Ater:

Type of changes

• Refactoring (non-breaking change)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would change existing functionality)
• Bug fix (non-breaking change which fixes an issue)

Checklist

• I am familiar with the contributing guidelines
• I have followed the code style of the project
• I have added tests to cover my changes
• I have updated the documentation accordingly
• This PR is a result of pair or mob programming

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Sensitive Information Declaration

To ensure the utmost confidentiality and protect your and others privacy, we kindly ask you to NOT including PII (Personal Identifiable Information) / PID (Personal Identifiable Data) or any other sensitive data in this PR (Pull Request) and the codebase changes. We will remove any PR that do contain any sensitive information. We really appreciate your cooperation in this matter.

• I confirm that neither PII/PID nor sensitive data are included in this PR and the codebase changes.

[nc-shahidazim]

Approved