[stable31] build(deps-dev): bump phpunit/phpunit from 9.6.29 to 9.6.31 in /build/integration

[dependabot[bot]]

Bumps phpunit/phpunit from 9.6.29 to 9.6.31.

Release notes

Sourced from phpunit/phpunit's releases.

PHPUnit 9.6.31

• No changes; phpunit.phar rebuilt with PHP 8.4 to work around PHP-Scoper issue #1139

---

Learn how to install or update PHPUnit 9.6 in the documentation.

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PHPUnit 9.6.30

Changed

• Updated list of deprecated PHP configuration settings for PHP 8.4, PHP 8.5, and PHP 8.6

---

Learn how to install or update PHPUnit 9.6 in the documentation.

Keep up to date with PHPUnit:

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Changelog

Sourced from phpunit/phpunit's changelog.

[9.6.31] - 2025-12-06

• No changes; phpunit.phar rebuilt with PHP 8.4 to work around PHP-Scoper issue #1139

[9.6.30] - 2025-12-01

Changed

• Updated list of deprecated PHP configuration settings for PHP 8.4, PHP 8.5, and PHP 8.6

Commits

• 945d0b7 Prepare release
• 25ca8fe Merge branch '8.5' into 9.6
• b0a92d1 Prepare release
• acf5435 Update tools
• 8b46030 Merge branch '8.5' into 9.6
• 86806a5 Remove option that is no longer needed now that PHP 8.5 is supported
• f02db25 Update tools
• e563695 Merge branch '8.5' into 9.6
• 8eb1847 Move check whether PHAR was successfully scoped from CI pipeline configuratio...
• b69489b Prepare release
• Additional commits viewable in compare view

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