Deperecate Mobilenetwork package

[khattartarun]

Description

Deprecate MobileNetwork package as service has reached End of life on 09-30-2025 and is retired now. REST APi spec have been removed for Microsoft.Mobilenetwork.

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.

All SDK Contribution checklist:

• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.

General Guidelines and Best Practices

• 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.

[Copilot]

Pull request overview

This PR deprecates the MobileNetwork package following the service's End of Life on 09-30-2025 and retirement. The deprecation involves updating version metadata, adding deprecation notices, and ensuring users are informed through appropriate documentation channels.

Key Changes:

• Version downgraded from 1.4.0-beta.1 to 1.3.1 to create a final stable release with deprecation notice
• Added deprecation warnings to user-facing documentation (README.md, pom.xml description, CHANGELOG.md)
• Updated version tracking in eng/versioning/version_client.txt

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/pom.xml	Updated version to 1.3.1 and replaced package description with deprecation notice
sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/README.md	Added prominent deprecation notice at the top of the README
sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/CHANGELOG.md	Added version 1.3.1 release entry with deprecation message
eng/versioning/version_client.txt	Updated version tracking from 1.4.0-beta.1 to 1.3.1

[github-actions]

API Change Check

APIView identified API level changes in this PR and created the following API reviews

com.azure.resourcemanager:azure-resourcemanager-mobilenetwork

[weidongxu-microsoft]

Do you have a migration guide for customer?

[khattartarun]

Do you have a migration guide for customer?

No. All customers offboarded now.

[khattartarun]

Do you have a migration guide for customer?

No. All customers offboarded now.

[weidongxu-microsoft]

PR merged.

Let me know if you want SDK dev to release it. Or you'd go release it yourself.

[khattartarun]

PR merged.

Let me know if you want SDK dev to release it. Or you'd go release it yourself.

That would be great. Please proceed with release.

[weidongxu-microsoft]

released https://central.sonatype.com/artifact/com.azure.resourcemanager/azure-resourcemanager-mobilenetwork/1.3.1

[khattartarun]

released https://central.sonatype.com/artifact/com.azure.resourcemanager/azure-resourcemanager-mobilenetwork/1.3.1

Thank you for the quick action!