[Issue] replaced deprecated addWarning method with addWarningMessage method …

This issue is automatically created based on existing pull request: #28264: replaced deprecated addWarning method with addWarningMessage method …

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…in Security module

Replace deprecated addWarning method with addWarningMessage method in Magento core security module

Preconditions (*)

  addWarning method is deprecated, to replace the addWarning method with addWarningMessage method in Magento core security module

Steps to reproduce (*)

1. Logged in to your magento admin panel , go to Store -> Configuration -> Advanced -> Admin -> Security -> Admin Account Sharing -> NO
2. Logged in to your magento admin panel in a different browsers, in the current browser admin session will be created with the warning message.

Actual Result

N/a

Expected Result

The warning message is shown as previously (expected)

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds are green)

[magento-engcom-team]

✅ Confirmed by @engcom-Alfa
Thank you for verifying the issue. Based on the provided information internal tickets MC-35142 were created

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