Update dependency nikic/php-parser to v4.15.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
nikic/php-parser	require	patch	4.15.3 -> 4.15.4

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Release Notes

nikic/PHP-Parser

### [`v4.15.4`](https://togithub.com/nikic/PHP-Parser/blob/HEAD/CHANGELOG.md#Version-4154-2023-03-05) [Compare Source](https://togithub.com/nikic/PHP-Parser/compare/v4.15.3...v4.15.4) ##### Fixed - Fixed formatting-preservation for alternative if syntax with trailing comments.

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