Suppress unapplicable CodeQL AAD issues

[jviau]

Issue describing the changes in this PR

Pull request checklist

IMPORTANT: Currently, changes must be backported to the in-proc branch to be included in Core Tools and non-Flex deployments.

• Backporting to the in-proc branch is not required
  • Otherwise: Link to backporting PR
• My changes do not require documentation changes
  • Otherwise: Documentation issue linked to PR
• My changes should not be added to the release notes for the next release
  • Otherwise: I've added my notes to release_notes.md
• My changes do not need to be backported to a previous version
  • Otherwise: Backport tracked by issue/PR #issue_or_pr
• My changes do not require diagnostic events changes
  • Otherwise: I have added/updated all related diagnostic events and their documentation (Documentation issue linked to PR)
• I have added all required tests (Unit tests, E2E tests)

Additional information

CodeQL issues: https://codeql.microsoft.com/issues/3a396dfb-3ebd-454d-b0c8-235fb324d5e5, https://codeql.microsoft.com/issues/a72d9a19-ad0f-4bfc-9652-e93f01c1f739
Reason for suppression: this is not validating AAD tokens. Issue is not applicable.

[fabiocav]

Suppression approved.