Update phpunit/phpunit requirement from ^7.5.20 to ^8.5.31

[dependabot[bot]]

Updates the requirements on phpunit/phpunit to permit the latest version.

Changelog

Sourced from phpunit/phpunit's changelog.

[8.5.31] - 2022-10-28

Fixed

• #5076: Test Runner does not warn about conflicting options

[8.5.30] - 2022-09-25

Changed

• The configuration generator now asks for a cache directory

Fixed

• #4913: Failed assert() should show a backtrace
• #4966: TestCase::assertSame() (and related exact comparisons) must compare float exactly

[8.5.29] - 2022-08-22

Changed

• #5033: Do not depend on phpspec/prophecy

[8.5.28] - 2022-07-29

Fixed

• #5015: Ukraine banner unreadable on black background
• #5016: PHPUnit 8.5.27 does not work on PHP 7.2.0-7.2.18 and PHP 7.3.0-7.3.5

[8.5.27] - 2022-06-19

Fixed

• #4950: False error on atMost() invocation rule without call
• #4962: Ukraine banner unreadable on white background

[8.5.26] - 2022-04-01

Fixed

• #4938: Test Double code generator does not handle void return type declaration on __clone() methods

[8.5.25] - 2022-03-16

Fixed

• #4934: Code Coverage does not work with PHPUnit 8.5.24 PHAR on PHP 7

[8.5.24] - 2022-03-05 - #StandWithUkraine

... (truncated)

Commits

• 33c126b Prepare release
• 38f5390 Fix markup
• 0a9fd68 Update tools
• 7792976 Update tools
• d420cab Closes #5076
• 4f50e83 Enhancement: Update codecov/codecov-action
• e7928a8 Update Psalm baseline
• 05cbc0e Update tools
• 7ef14ec Update tools
• 916d4b8 PHAR releases of PHP-Scoper are now GPG-signed
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #253.