chore(deps): bump codecov/codecov-action from 5 to 6

chore(deps): bump ramsey/composer-install from 3 to 4

Prepare release 4.9.2

[ci] add tests for PHP 8.5 (#630)

Update ergebnis/composer-normalize in lock file

chore(deps): bump actions/checkout from 5 to 6

Set lowest brick/math version to 0.8.16 for BigInteger::toBytes()

Update brick/math for static analysis but downgrade in tests for PHP 8.0

Ignore PHPStan errors about possibly impure method calls

Remove explicit int cast to avoid warning in PHP 8.5

chore(deps-dev): bump sebastian/recursion-context from 4.0.5 to 4.0.6

chore(deps-dev): bump symfony/polyfill-ctype from 1.32.0 to 1.33.0

chore(deps-dev): bump localheinz/diff from 1.2.0 to 1.3.0

chore(deps-dev): bump ergebnis/json from 1.4.0 to 1.6.0

chore(deps-dev): bump symfony/polyfill-php80 from 1.32.0 to 1.33.0