ci: add Microsoft Store submission to release workflow

[CalvinAllen]

Add automated Microsoft Store submission to the release workflow.

Requirements

• Configure Azure AD app registration for Store submission API
• Add required secrets to the repository:
  • STORE_PRODUCT_ID - Microsoft Store product ID
  • AZURE_TENANT_ID - Azure AD tenant ID
  • AZURE_CLIENT_ID - Azure AD client ID
  • AZURE_CLIENT_SECRET - Azure AD client secret

References

• Microsoft Store submission action
• Partner Center API documentation

The store job is already defined in .github/workflows/release.yml but is currently commented out.

[CalvinAllen]

Hope you're right, Claude...

Prerequisites

  - Your app must already exist in Partner Center with at least one submission
  - Your Azure AD must be associated with your Partner Center account

  Step 1: Associate Azure AD with Partner Center

  1. Go to https://partner.microsoft.com/dashboard
  2. Navigate to Account settings → User management
  3. Associate your organization's Azure AD directory with your Partner Center account

  Step 2: Register an Azure AD App

  1. Go to https://entra.microsoft.com/
  2. Navigate to Azure Active Directory → App registrations → New registration
  3. Name it something like "VSToolbox GitHub Actions"
  4. Register the app

  Step 3: Get Your Credentials

  | Secret              | Where to Find                                                                                                      |
  |---------------------|--------------------------------------------------------------------------------------------------------------------|
  | AZURE_TENANT_ID     | Entra admin center → Azure AD → Overview → "Tenant ID"                                                             |
  | AZURE_CLIENT_ID     | Entra admin center → App registrations → Your app → "Application (client) ID"                                      |
  | AZURE_CLIENT_SECRET | Entra admin center → App registrations → Your app → Certificates & secrets → New client secret (copy immediately!) |
  | STORE_PRODUCT_ID    | Partner Center → Your app → Product Identity → "Store ID"                                                          |

  Step 4: Grant Partner Center Access

  1. In Partner Center, go to Account settings → User management → Microsoft Entra applications
  2. Add your registered Azure AD application
  3. Assign it the Manager role

  Step 5: Add Secrets to GitHub

  1. Go to your repo → Settings → Secrets and variables → Actions
  2. Add each secret: AZURE_TENANT_ID, AZURE_CLIENT_ID, AZURE_CLIENT_SECRET, STORE_PRODUCT_ID

  Sources:
  - https://github.com/microsoft/store-submission
  - https://learn.microsoft.com/en-us/windows/apps/publish/msstore-dev-cli/github-actions
  - https://learn.microsoft.com/en-us/windows/uwp/monetize/create-and-manage-submissions-using-windows-store-services