Update phpunit/phpunit requirement from ^9.5 to ^10.5

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[what-the-diff[bot]]

PR Summary

• Update of Project Configuration File The configuration file for the project, composer.json, has been modified. This file is used to manage the dependencies of the project, think of it as a settings file that tells the system which components to use.

• Upgrade of Testing Framework The testing framework phpunit/phpunit was updated from version 9.5 to the newer version 10.5. Think of this testing framework as a quality checker that ensures our code behaves as expected. This upgrade gives us access to newer features, improvements, and fixes in the testing process, enhancing the robustness of the system.

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