Handle Azure MFA challenges

[bwateratmsft]

Fixes #200, fixes #209

Please see the above issue and microsoft/vscode-azureresourcegroups#1200 for background information.

Need to test:

• ACR
  • Creation + RG creation
  • Deletion
  • Build image in Azure
  • Push*
  • Pull*
  • Untag image*
  • Delete repository*
  • Delete manifest* (TODO: Registry V2: inspect image manifest and delete image (by manifest) are failing with 404 errors #209)
  • Inspect image manifest* (TODO: Registry V2: inspect image manifest and delete image (by manifest) are failing with 404 errors #209)
• App Service
  • Deploy from ACR
  • Deploy from Docker Hub

* These are not expected to be affected, but I am testing anyways

[Copilot]

Pull Request Overview

This PR updates the Azure Container Registry client creation to handle Azure MFA challenges by migrating from deprecated APIs to the new createAzureClient pattern that properly manages authentication flows. The changes standardize client creation across the codebase and upgrade Azure extension dependencies.

• Replace deprecated createAzureContainerRegistryClient function with unified client creation pattern
• Standardize authentication context handling for MFA support
• Update Azure extension dependencies to latest versions

Reviewed Changes

Copilot reviewed 13 out of 14 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/utils/azureUtils.ts	Refactored client creation functions to use new authentication pattern
src/tree/registries/Azure/AzureRegistryDataProvider.ts	Updated registry operations to use new client creation and MFA-aware context
src/tree/registries/Azure/createWizard/AzureRegistryNameStep.ts	Migrated to new client creation pattern
src/tree/registries/Azure/createWizard/AzureRegistryCreateStep.ts	Updated client creation and removed explicit type annotation
src/commands/registries/azure/tasks/scheduleRunRequest.ts	Migrated to new client creation with proper context
src/commands/registries/azure/deployImageToAzure.ts	Removed unused import and explicit type annotation
src/commands/registries/azure/WebSitesPortPromptStep.ts	Added type keyword to import
src/commands/registries/azure/DockerWebhookCreateStep.ts	Updated to use new client creation and proper type annotations
src/commands/registries/azure/DockerSiteCreateStep.ts	Updated client creation and removed explicit type annotations
src/commands/registries/azure/DockerAssignAcrPullRoleStep.ts	Migrated to new client creation pattern
src/commands/registries/azure/ACROAuthProvider.ts	Consolidated imports
src/utils/getHandlebarsWithHelpers.ts	Reorganized imports and updated type annotation
package.json	Updated Azure extension dependencies to latest versions

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