build(deps-dev): bump phpunit/phpunit from 11.5.50 to 11.5.55

[dependabot]

Bumps phpunit/phpunit from 11.5.50 to 11.5.55.

Release notes

Sourced from phpunit/phpunit's releases.

PHPUnit 11.5.55

Fixed

• #6521: Performance regression in PHPUnit 11.5.54, PHPUnit 12.5.13, and PHPUnit 13.0.4

---

Learn how to install or update PHPUnit 11.5 in the documentation.

Keep up to date with PHPUnit:

• You can follow @​phpunit@phpc.social to stay up to date with PHPUnit's development.
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PHPUnit 11.5.54

Fixed

• #6489: Classification of self/direct/indirect deprecation triggers is not aligned with Symfony's bridge for PHPUnit

---

Learn how to install or update PHPUnit 11.5 in the documentation.

Keep up to date with PHPUnit:

• You can follow @​phpunit@phpc.social to stay up to date with PHPUnit's development.
• You can subscribe to the PHPUnit Updates newsletter to receive updates about and tips for PHPUnit.

PHPUnit 11.5.53

Fixed

• #6503: Temporary file used by SourceMapper may be deleted prematurely when multiple PHPUnit processes run in parallel

---

Learn how to install or update PHPUnit 11.5 in the documentation.

Keep up to date with PHPUnit:

• You can follow @​phpunit@phpc.social to stay up to date with PHPUnit's development.
• You can subscribe to the PHPUnit Updates newsletter to receive updates about and tips for PHPUnit.

PHPUnit 11.5.52

Fixed

• #6495: Source map for issue trigger identification is regenerated in process isolation child processes

---

Learn how to install or update PHPUnit 11.5 in the documentation.

... (truncated)

Changelog

Sourced from phpunit/phpunit's changelog.

[11.5.55] - 2026-02-18

Fixed

• #6521: Performance regression in PHPUnit 11.5.54, PHPUnit 12.5.13, and PHPUnit 13.0.4

[11.5.54] - 2026-02-18

Fixed

• #6489: Classification of self/direct/indirect deprecation triggers is not aligned with Symfony's bridge for PHPUnit

[11.5.53] - 2026-02-10

Fixed

• #6503: Temporary file used by SourceMapper may be deleted prematurely when multiple PHPUnit processes run in parallel

[11.5.52] - 2026-02-08

Fixed

• #6495: Source map for issue trigger identification is regenerated in process isolation child processes

[11.5.51] - 2026-02-05

Added

• #6488: Allow disabling issue trigger identification for improved performance

Fixed

• #6486: Incorrect file name reported for errors for test methods declared in traits
• #6490: Incorrect test count when tests are skipped in before-class method

Commits

• adc7262 Prepare release
• 0f31bcf Closes #6521
• eb7d132 Prepare release
• 0325337 Update ChangeLog
• 2413692 Classify issue trigger as "unknown" only when it is not "self", "direct", or ...
• 8811c22 Test all possible combinations (even if not all of them make sense)
• 79f11ae Remove IssueTrigger::unknown()
• 6589f44 Fall back to null instead of Code::ThirdParty when we cannot classify a file ...
• a64de8a Narrow type
• a230042 Resurrect test that got lost while reorganizing tests
• Additional commits viewable in compare view

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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	phpunit/​phpunit@​11.5.50.0 ⏵ 11.5.55.0	+41		-10

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