Description

Prepares the infrastructure for regenerating Azure.Provisioning.AppContainers with updated API version support, which will enable newer features for Container Apps.

Changes:

• Updated Azure.ResourceManager.AppContainers version in eng/Packages.Data.props from 1.4.0 to 1.5.0 (latest stable version with API version 2025-01-01 support)
• Reverted Generator.csproj to use PackageReference instead of ProjectReference as per code review feedback

Note: The provisioning library generation requires Azure credentials to query ARM for supported API versions. Once the generator is run with appropriate credentials, it will regenerate the Azure.Provisioning.AppContainers library with the API versions supported by Azure.ResourceManager.AppContainers 1.5.0.

Expected Usage After Generation:

// Uses the latest default API version
var app = new ContainerApp("myapp");

// Explicit version selection still available
var app = new ContainerApp("myapp", ContainerApp.ResourceVersions.V2025_01_01);

This checklist is used to make sure that common guidelines for a pull request are followed.

• Please add REST spec PR link to the SDK PR
• I have read the contribution guidelines.
• The pull request does not introduce breaking changes.

General Guidelines

• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

SDK Generation Guidelines

• If an SDK is being regenerated based on a new swagger spec, a link to the pull request containing these swagger spec changes has been included above.
• The generate.cmd file for the SDK has been updated with the version of AutoRest, as well as the commitid of your swagger spec or link to the swagger spec, used to generate the code.
• The *.csproj and AssemblyInfo.cs files have been updated with the new version of the SDK.

• Fixes [FEATURE REQ] Update the list of available ResourceVersions for Azure.Provisioning.AppContainers.ContainerApps ResourceProvision and update its default to 2025-07-01 or newer. #54380

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