Add AI usage checkboxes to ai_provider_azure issue template

[Tracker]
Update Summary: [One-line status update for stakeholders]
Check-in Date: MM/DD/YYYY
Additional Collaborators:
Metadata is used by the AI Tracker. Docs and additional fields here.
[/Tracker]

Problem/Motivation

Parent: #3568605: [Policy] Issue AI usage declaration policy

Issues must declare their AI usage, or they violate DA policies as noted in: Abuse of the Contribution Credit system

Proposed resolution

Update the issue template with checkboxes from the parent issue.

Target date or deadline

January 2026

Remaining tasks

• Update issue template
• Let people know about it