CI failing with "Failed asserting that 'January 2, 2017 at 8:11:12 PM GMT+3' matches PCRE pattern"

[nodiscc]

Following df601cd (unrelated commit to update npm build dependencies), tests started failing with the same error for all PHP versions https://github.com/shaarli/Shaarli/actions/runs/12570819978/job/35041105059

There was 1 failure:

1) Shaarli\Tests\UtilsEnTest::testDateFormat
Failed asserting that 'January 2, 2017 at 8:11:12 PM GMT+3' matches PCRE pattern "/January 2, 2017 (at )?8:11:12 PM GMT\+0?3(:00)?/".

/home/runner/work/Shaarli/Shaarli/tests/TestCase.php:67
/home/runner/work/Shaarli/Shaarli/tests/languages/en/UtilsEnTest.php:26
phpvfscomposer:///home/runner/work/Shaarli/Shaarli/vendor/phpunit/phpunit/phpunit:106

FAILURES!
Tests: 40, Assertions: 101, Failures: 1.