Bump phpunit/phpunit from 9.6.9 to 9.6.34

[dependabot]

Bumps phpunit/phpunit from 9.6.9 to 9.6.34.

Release notes

Sourced from phpunit/phpunit's releases.

PHPUnit 9.6.34

Fixed

• Regression introduced in PHPUnit 9.6.33

---

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

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PHPUnit 9.6.33

Changed

• To prevent Poisoned Pipeline Execution (PPE) attacks using prepared .coverage files in pull requests, a PHPT test will no longer be run if the temporary file for writing code coverage information already exists before the test runs

---

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

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PHPUnit 9.6.32

Changed

• PHPUnit\Framework\MockObject exceptions are now subtypes of PHPUnit\Exception

---

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

Keep up to date with PHPUnit:

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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.

Keep up to date with PHPUnit:

... (truncated)

Changelog

Sourced from phpunit/phpunit's changelog.

[9.6.34] - 2026-01-27

Fixed

• Regression introduced in PHPUnit 9.6.33

[9.6.33] - 2026-01-27

Changed

• To prevent Poisoned Pipeline Execution (PPE) attacks using prepared .coverage files in pull requests, a PHPT test will no longer be run if the temporary file for writing code coverage information already exists before the test runs

[9.6.32] - 2026-01-24

Changed

• PHPUnit\Framework\MockObject exceptions are now subtypes of PHPUnit\Exception

[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

[9.6.29] - 2025-09-24

• No changes; phpunit.phar rebuilt with updated dependencies

[9.6.28] - 2025-09-23

• No changes; phpunit.phar rebuilt with updated dependencies

[9.6.27] - 2025-09-14

Changed

• #6366: Exclude __sleep() and __wakeup() from test double code generation on PHP >= 8.5

[9.6.26] - 2025-09-11

Changed

• Implement __serialize() in addition to __sleep() (which will be deprecated in PHP 8.5)

[9.6.25] - 2025-08-20

... (truncated)

Commits

• b36f023 Fix regression introduced in PHPUnit 9.6.33
• fea0625 Prepare release
• 1a677f6 Merge branch '8.5' into 9.6
• 1015741 Prepare release
• 1cce5f3 Merge branch '8.5' into 9.6
• 3141742 Do not run PHPT test when its temporary file for code coverage information ex...
• 0b3170a We do not need to unserialize() objects here
• 261086a Extract method
• fdd6b86 Fix CS/WS issue
• 492ee10 Prepare release
• Additional commits viewable in compare view

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Note

Refreshes Composer lockfile to latest testing/tooling stack.

• Upgrades phpunit/phpunit 9.6.9 -> 9.6.34 and aligns related dependencies (php-code-coverage, sebastian/*, nikic/php-parser, phpdocumentor/*, phpstan/phpdoc-parser, myclabs/deep-copy, theseer/tokenizer, etc.)
• Updates various libraries (e.g., doctrine/deprecations, doctrine/instantiator, symfony/* polyfills); some raise PHP/tooling constraints (e.g., doctrine/instantiator now requires ^8.4)
• composer.lock metadata updated (plugin-api-version to 2.6.0); no application code changes

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Dependency update silently requires PHP 8.4 minimum

High Severity

The doctrine/instantiator package was updated from 2.0.0 to 2.1.0, which changes the PHP requirement from ^8.1 to ^8.4. While PHPUnit 9.6.34 itself supports PHP >= 7.3 and allows doctrine/instantiator: "^1.5.0 || ^2", this lock file resolved to version 2.1.0 which requires PHP 8.4+. Any environment running PHP 8.3 or lower will fail when running composer install with this lock file, silently breaking builds that previously worked.